Init

.editorconfig

@@ -0,0 +1,4 @@
+[*.cs]
+
+# CS8625: Ein NULL-Literal kann nicht in einen Non-Nullable-Verweistyp konvertiert werden.
+dotnet_diagnostic.CS8625.severity = none

Mysql-example.sln

@@ -0,0 +1,30 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.4.33403.182
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Mysql-example", "Mysql-example\Mysql-example.csproj", "{6DC6599A-EDDB-4422-9E54-A245A5AAB501}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{3D0CB405-B1E2-4E13-85E1-DDCD469790BC}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6DC6599A-EDDB-4422-9E54-A245A5AAB501}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6DC6599A-EDDB-4422-9E54-A245A5AAB501}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6DC6599A-EDDB-4422-9E54-A245A5AAB501}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6DC6599A-EDDB-4422-9E54-A245A5AAB501}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {23AC8294-0210-4628-A6A1-32BC61B3D3DA}
+	EndGlobalSection
+EndGlobal

Mysql-example/Config.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Mysql_example
+{
+    public static class Config
+    {
+        public static string DBHost = "localhost";
+        public static string DBName = "dominik_test";
+        public static string DBUser = "root";
+        public static string DBPass = "";
+    }
+}

Mysql-example/Database/DBConnectGeneral.cs

@@ -0,0 +1,241 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Data;
+using System.Globalization;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using System.Xml.Linq;
+using Google.Protobuf.WellKnownTypes;
+using MySql.Data.MySqlClient;
+using Mysql_example.Database.Schema;
+using MySqlX.XDevAPI.Common;
+using MySqlX.XDevAPI.Relational;
+using static System.ComponentModel.Design.ObjectSelectorEditor;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+using static Mysql_example.Database.DBConnectGeneral;
+
+namespace Mysql_example.Database
+{
+    class DBConnectGeneral
+    {
+        public MySqlConnection connection;
+        private string server;
+        private string database;
+        private string uid;
+        private string password;
+
+        public DBConnectGeneral()
+        {
+            this.server = Config.DBHost;
+            this.database= Config.DBName;
+            this.uid= Config.DBUser;
+            this.password = Config.DBPass;
+            Initialize();
+        }
+
+        //Connection Handeling
+        private void Initialize()
+        {
+            string connectionPayload = $"SERVER={server};DATABASE={database};UID={uid};PASSWORD={password};";
+            connection = new MySqlConnection(connectionPayload);
+        }
+        public bool OpenConnection()
+        {
+            try
+            {
+                connection.Open();
+                return true;
+            } catch (MySqlException exception)
+            {
+                switch (exception.Number)
+                {
+                    case 0:
+                        MessageBox.Show("Cannot connect to server.  Contact administrator");
+                        break;
+                    case 1045:
+                        MessageBox.Show("Invalid username/password, please try again");
+                        break;
+                    default:
+                        MessageBox.Show($"Error: {exception.Message}");
+                        break;
+                }
+                return false;
+            }
+        }
+        public bool CloseConnection()
+        {
+            try
+            {
+                connection.Close();
+                return true;
+            } catch (MySqlException exception)
+            {
+                MessageBox.Show(exception.Message);
+                return false;
+
+            }
+        }
+
+        // Getting Information
+        public List<string> [] Select(string table, List<string> fields)
+        {
+            string querry = "SELECT ";
+            foreach (string field in fields)
+            {
+                querry += $"`{field}`, ";
+            }
+            querry = querry.Substring(0, querry.Length - 2);
+            querry += $" FROM `{table}`";
+
+            List<string>[] response = new List<string>[fields.Count];
+            for (int i = 0; i < fields.Count; i++)
+            {
+                response[i] = new List<string>();
+            }
+
+            if(this.OpenConnection())
+            {
+                MySqlCommand selectCmd = new MySqlCommand(querry, connection);
+                MySqlDataReader dataReader= selectCmd.ExecuteReader();
+
+                while (dataReader.Read())
+                {
+                    for (int i = 0; i < fields.Count; i++)
+                    {
+                        response[i].Add(dataReader[fields[i]] + "");
+                    }
+                }
+                dataReader.Close();
+                CloseConnection();
+            }
+            return response;
+        }
+        public List<string>[] Select(string table, List<string> fields, string selector)
+        {
+            string querry = "SELECT ";
+            foreach (string field in fields)
+            {
+                querry += $"`{field}`, ";
+            }
+            querry = querry.Substring(0, querry.Length - 2);
+            querry += $" FROM `{table}` WHERE {selector}";
+
+            List<string>[] response = new List<string>[fields.Count];
+            for (int i = 0; i < fields.Count; i++)
+            {
+                response[i] = new List<string>();
+            }
+
+            if (this.OpenConnection())
+            {
+                MySqlCommand selectCmd = new MySqlCommand(querry, connection);
+                MySqlDataReader dataReader = selectCmd.ExecuteReader();
+
+                while (dataReader.Read())
+                {
+                    for (int i = 0; i < fields.Count; i++)
+                    {
+                        response[i].Add(dataReader[fields[i]] + "");
+                    }
+                }
+                dataReader.Close();
+                CloseConnection();
+            }
+            return response;
+        }
+        
+        // Modifying Information
+        public int Update(string table, List<string> fields, List<object> values, string selector)
+        {
+
+            string querry = $"UPDATE `{table}` SET ";
+            if (fields.Count != values.Count) throw new Exception("Count of Fields and Values to Update doesnt match");
+
+            for(int i = 0; i < fields.Count;i++)
+            {
+                string value = values[i] != null ? "'" + values[i].ToString() + "'" : "NULL";
+                querry += $"`{fields[i]}`= {value},";
+            }
+            querry = querry.Remove(querry.Length -1);
+            querry += $" WHERE {selector};";
+
+            if (this.OpenConnection())
+            {
+                MySqlCommand updateCommand = new MySqlCommand();
+                updateCommand.CommandText = querry;
+                updateCommand.Connection = connection;
+                try
+                {
+                    int affected = updateCommand.ExecuteNonQuery();
+                    return affected;
+                }
+                catch(Exception ex)
+                {
+                    MessageBox.Show(ex.Message, "There Was an Error Trying to Update.");
+                } finally
+                {
+                    CloseConnection();
+                }
+            }
+            return 0;
+        }
+
+        public UInt64 Insert(string table, List<string> fields, List<object> values)
+        {
+            if (fields.Count != values.Count) throw new Exception("Count of Fields and Values to Update doesnt match");
+
+            string querry = $"INSERT INTO `{table}` (";
+            for (int i = 0; i < fields.Count; i++)
+            {
+                querry += $"`{fields[i]}`,";
+            }
+            querry = querry.Remove(querry.Length - 1);
+            querry += $") VALUES (";
+            for (int i = 0; i < values.Count; i++)
+            {
+                string value = values[i] != null ? "'" + values[i].ToString() + "'" : "NULL";
+                querry += $"{value},";
+            }
+            querry = querry.Remove(querry.Length - 1);
+            querry += ");";
+
+            if (this.OpenConnection())
+            {
+                MySqlCommand insertCommand = new MySqlCommand();
+                insertCommand.CommandText = querry;
+                insertCommand.Connection = connection;
+                try
+                {
+                    insertCommand.ExecuteNonQuery();
+                    return insertCommand.LastInsertedId < 0 ? 0 : (UInt64)insertCommand.LastInsertedId;
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(ex.Message, "There Was an Error Trying to Insert.");
+                }
+                finally
+                {
+                    CloseConnection();
+                }
+            }
+            return 0;
+        }
+        public void Delete(string table, string selector)
+        {
+            string querry = $"DELETE FROM `{table}` WHERE {selector};";
+            if (this.OpenConnection())
+            {
+                MySqlCommand deleteCommand = new MySqlCommand();
+                deleteCommand.CommandText = querry;
+                deleteCommand.Connection = connection;
+                deleteCommand.ExecuteNonQuery();
+                CloseConnection();
+            }
+        }
+    }
+}

Mysql-example/Database/DBConnectSpecific.cs

@@ -0,0 +1,303 @@
+using MySql.Data.MySqlClient;
+using Mysql_example.Database.Schema;
+using Mysql_example.Util;
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.Common;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Mysql_example.Database
+{
+    class DBConnectSpecific : DBConnectGeneral
+    {
+        public DBConnectSpecific(){ }
+
+        public struct usersAndAddressesStruct
+        {
+            public Dictionary<UInt64, User> users { get; set; }
+            public Dictionary<UInt64, Address> addresses { get; set; }
+        }
+        public usersAndAddressesStruct ReadUsersAndAddresses()
+        {
+            string querry = @$"
+                SELECT users.*,
+                addresses.id As `addr.id`,
+                addresses.user_id AS `addr.user_id`,
+                addresses.first_name As `addr.first_name`, 
+                addresses.last_name AS `addr.last_name`, 
+                addresses.street AS `addr.street`, 
+                addresses.house_number AS `addr.house_number`, 
+                addresses.city AS `addr.city`, 
+                addresses.postal_code AS `addr.postal_code`, 
+                addresses.country AS `addr.country`,
+                addresses.last_updated AS `addr.last_updated` 
+                FROM `users` LEFT JOIN `addresses` ON users.id = addresses.user_id;
+            ";
+
+            if (!this.OpenConnection()) throw new Exception("No Database Connection");
+
+            usersAndAddressesStruct result = new usersAndAddressesStruct();
+            Dictionary<UInt64, User> users = new Dictionary<UInt64, User>();
+            Dictionary<UInt64, Address> addresses = new Dictionary<UInt64, Address>();
+
+            MySqlCommand selectCmd = new MySqlCommand(querry, connection);
+            MySqlDataReader dataReader = selectCmd.ExecuteReader();
+            while (dataReader.Read())
+            {
+                UInt64 userId = dataReader.GetUInt64("id");
+                if (users.ContainsKey(userId))
+                {
+                    User user = users[userId];
+                    Address address = ReadAddress(dataReader);
+                    user.Addresses[address.Id] = address;
+                    addresses[address.Id] = address;
+
+                    if (!dataReader.IsDBNull("billing_address_id") && dataReader.GetUInt64("billing_address_id") == address.Id) user.BillingAdress = address;
+                    if (!dataReader.IsDBNull("shipping_address_id") && dataReader.GetUInt64("shipping_address_id") == address.Id) user.ShippingAddress = address;
+                    continue;
+                }
+
+                User readedUser = ReadUser(dataReader);
+
+                if (!dataReader.IsDBNull("addr.id"))
+                {
+                    Address address = ReadAddress(dataReader);
+                    readedUser.Addresses[address.Id] = address;
+                    addresses[address.Id] = address;
+
+                    if (!dataReader.IsDBNull("billing_address_id") && dataReader.GetUInt64("billing_address_id") == address.Id) readedUser.BillingAdress = address;
+                    if (!dataReader.IsDBNull("shipping_address_id") && dataReader.GetUInt64("shipping_address_id") == address.Id) readedUser.ShippingAddress = address;
+                }
+                users.Add(readedUser.Id, readedUser);
+            }
+            CloseConnection();
+            result.users = users;
+            result.addresses = addresses;
+            return result;
+        }
+    
+        private static User ReadUser(MySqlDataReader reader)
+        {
+            User user = new User();
+            user.Id = reader.GetUInt64("id");
+            user.Email = reader.GetString("email");
+            user.FirstName = reader.GetString("first_name");
+            user.LastName = reader.GetString("last_name");
+            user.Birthday = reader.GetDateTime("birthday");
+            user.LastUpdated = reader.GetDateTime("last_updated");
+            user.Addresses = new Dictionary<UInt64, Address>();
+
+            return user;
+        }
+        private static Address ReadAddress(MySqlDataReader reader)
+        {
+            Address address = new Address();
+            address.Id = reader.GetUInt64("addr.id");
+            address.UserID = reader.GetUInt64("addr.user_id");
+            address.FirstName = reader.GetString("addr.first_name");
+            address.LastName = reader.GetString("addr.last_name");
+            address.Street = reader.GetString("addr.street");
+            address.HouseNumber = reader.GetString("addr.house_number");
+            address.City = reader.GetString("addr.city");
+            address.PostalCode = reader.GetString("addr.postal_code");
+            address.Region = reader.GetString("addr.country");
+            address.LastUpdated = reader.GetDateTime("addr.last_updated");
+            return address;
+        }
+        public void UpdateUser(ref User user, Dictionary<UInt64, User> oldUsers)
+        {
+            List<String> fields = new List<String>();
+            List<Object> values = new List<Object>();
+            if (!oldUsers.ContainsKey(user.Id))
+            {
+                fields.Add("email");
+                values.Add(user.Email);
+                fields.Add("first_name");
+                values.Add(user.FirstName);
+                fields.Add("last_name");
+                values.Add(user.LastName);
+                fields.Add("birthday");
+                values.Add(Utility.dateTimeToDatabaseBirthday(user.Birthday));
+
+                DateTime createTime = DateTime.Now;
+                user.LastUpdated = createTime;
+                fields.Add("last_updated");
+                values.Add(Utility.dateTimeToDatabaseTimestamp(createTime));
+
+                UInt64 newUserID = Insert("users", fields, values);
+
+                user.Id = newUserID;
+            }
+            User olduser = oldUsers[user.Id];
+
+            if (olduser.Email != user.Email)
+            {
+                fields.Add("email");
+                values.Add(user.Email);
+            }
+            if (olduser.FirstName != user.FirstName)
+            {
+                fields.Add("first_name");
+                values.Add(user.FirstName);
+            }
+            if (olduser.LastName != user.LastName)
+            {
+                fields.Add("last_name");
+                values.Add(user.LastName);
+            }
+            if (olduser.Birthday != user.Birthday)
+            {
+                fields.Add("birthday");
+                values.Add(Utility.dateTimeToDatabaseBirthday(user.Birthday));
+            }
+            if (olduser.BillingAdress != user.BillingAdress)
+            {
+                fields.Add("billing_address_id");
+                values.Add(user.BillingAdress != null ? user.BillingAdress.Id : null);
+            }
+            if (olduser.ShippingAddress != user.ShippingAddress)
+            {
+                fields.Add("shipping_address_id");
+                values.Add(user.ShippingAddress != null ? user.ShippingAddress.Id : null);
+            }
+
+            //If no Changes, Do no Databse Call
+            if (fields.Count() == 0) return;
+
+            //Add Last Updated Field
+            DateTime updateTime = DateTime.Now;
+            fields.Add("last_updated");
+            values.Add(Utility.dateTimeToDatabaseTimestamp(updateTime));
+
+            Update("users", fields, values, $"`id`={user.Id} and `last_updated`='{Utility.dateTimeToDatabaseTimestamp(user.LastUpdated)}'");
+            return;
+        }
+
+        public void UpdateAddressesOnUser(ref User user, Dictionary<UInt64, User> oldUsers)
+        {
+            if (!oldUsers.ContainsKey(user.Id))
+            {
+                AddAddressesOfNewUser(user);
+            }
+
+            //Get Diffrences for each Adress and make a Database Call
+            User olduser = oldUsers[user.Id];
+            foreach (Address newAddress in user.Addresses.Values)
+            {
+                List<String> fields = new List<String>();
+                List<Object> values = new List<Object>();
+
+                if (!olduser.Addresses.ContainsKey(newAddress.Id))
+                {
+                    AddNewAddressOfUser(newAddress, user);
+                    continue;
+                }
+                Address oldAdress = olduser.Addresses[newAddress.Id];
+
+                if (oldAdress.FirstName != newAddress.FirstName)    fields.Add("first_name");   values.Add(newAddress.FirstName);
+                if (oldAdress.LastName != newAddress.LastName)      fields.Add("last_name");    values.Add(newAddress.LastName);
+                if (oldAdress.Street != newAddress.Street)          fields.Add("street");       values.Add(newAddress.Street);
+                if (oldAdress.HouseNumber != newAddress.HouseNumber)fields.Add("house_number"); values.Add(newAddress.HouseNumber);
+                if (oldAdress.City != newAddress.City)              fields.Add("city");         values.Add(newAddress.City);
+                if (oldAdress.PostalCode != newAddress.PostalCode)  fields.Add("postal_code");  values.Add(newAddress.PostalCode);
+                if (oldAdress.Region != newAddress.Region)          fields.Add("country");      values.Add(newAddress.Region);
+
+                //If no Changes, Do no Databse Call
+                if (fields.Count() == 0) continue;
+
+                //Add Last Updated Field
+                DateTime updateTime = DateTime.Now;
+                fields.Add("last_updated");
+                values.Add(Utility.dateTimeToDatabaseTimestamp(updateTime));
+
+                Update("addresses", fields, values, $"`id`={newAddress.Id} and `last_updated`='{Utility.dateTimeToDatabaseTimestamp(newAddress.LastUpdated)}'");
+            }
+            foreach (Address deletedAddress in user.deletedAddreses)
+            {
+                Delete("addresses", $"`id`='{deletedAddress.Id}'");
+            }
+        }
+        private UInt64 AddNewAddressOfUser(Address address, User user)
+        {
+            List<String> fields = new List<String>();
+            List<Object> values = new List<Object>();
+
+            fields.Add("user_id");
+            values.Add(user.Id);
+            fields.Add("first_name");
+            values.Add(address.FirstName);
+            fields.Add("last_name");
+            values.Add(address.LastName);
+            fields.Add("street");
+            values.Add(address.Street);
+            fields.Add("house_number");
+            values.Add(address.HouseNumber);
+            fields.Add("city");
+            values.Add(address.City);
+            fields.Add("postal_code");
+            values.Add(address.PostalCode);
+            fields.Add("country");
+            values.Add(address.Region);
+
+            DateTime createTime = DateTime.Now;
+            fields.Add("last_updated");
+            values.Add(Utility.dateTimeToDatabaseTimestamp(createTime));
+
+            return Insert("addresses", fields, values);
+        }
+        private void AddAddressesOfNewUser(User user)
+        {
+            List<String> fields = new List<String>();
+            List<Object> values = new List<Object>();
+            foreach (Address address in user.Addresses.Values)
+            {
+                if (
+                   address.FirstName == null ||
+                   address.LastName == null ||
+                   address.Street == null ||
+                   address.City == null ||
+                   address.PostalCode == null ||
+                   address.Region == null
+                ) continue;
+
+                UInt64 addressId = AddNewAddressOfUser(address, user);
+                if (user.BillingAdress == null && user.ShippingAddress == null) continue;
+
+                fields = new List<String>();
+                values = new List<Object>();
+
+                if (user.BillingAdress != null)
+                {
+                    fields.Add("billing_address_id");
+                    values.Add(addressId);
+                }
+                if (user.ShippingAddress != null)
+                {
+                    fields.Add("shipping_address_id");
+                    values.Add(addressId);
+                }
+
+                //Add Last Updated Field
+                DateTime updateTime = DateTime.Now;
+                fields.Add("last_updated");
+                values.Add(Utility.dateTimeToDatabaseTimestamp(updateTime));
+
+                Update("users", fields, values, $"`id`={user.Id} and `last_updated`='{Utility.dateTimeToDatabaseTimestamp(user.LastUpdated)}'");
+                continue;
+            }
+            return;
+        }
+
+        public void DeleteUser(User user)
+        {
+            foreach (Address address in user.Addresses.Values)
+            {
+                Delete("addresses", $"`id`='{address.Id}'");
+            }
+            Delete("users", $"`id`='{user.Id}'");
+        }
+    }
+}

Mysql-example/Database/Types/Address.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Mysql_example.Database.Schema
+{
+    public class Address
+    {
+        [Browsable(false), ReadOnly(true)] public ulong Id { get; set; }
+        [Browsable(false), ReadOnly(true)] public ulong UserID { get; set; }
+        [DisplayName("First Name")] public string FirstName { get; set; }
+        [DisplayName("Last Name")] public string? LastName { get; set; }
+        public string Street { get; set; }
+        [DisplayName("House Number")] public string HouseNumber { get; set; }
+        public string City { get; set; }
+        [DisplayName("Postal Code")] public string PostalCode { get; set; }
+        public string Region { get; set; }
+        public string RegionCode { get{ return Region + PostalCode; } }
+        [ReadOnly(true), Browsable(false)] public DateTime LastUpdated { get; set; }
+
+        public Address() { }
+        public Address(Address address)
+        {
+            if (address == null) throw new ArgumentNullException("address");
+            Id = address.Id;
+            UserID = address.UserID;
+            FirstName = address.FirstName;
+            LastName = address.LastName;
+            Street = address.Street;
+            HouseNumber = address.HouseNumber;
+            City = address.City;
+            PostalCode = address.PostalCode;
+            Region = address.Region;
+            LastUpdated= address.LastUpdated;
+        }
+
+        public static List<RegionInfo> regionInfos = new List<RegionInfo>()
+        {
+            new RegionInfo("DE"),
+            new RegionInfo("DK"),
+            new RegionInfo("PL"),
+            new RegionInfo("CH"),
+            new RegionInfo("AT"),
+            new RegionInfo("IT"),
+            new RegionInfo("GR"),
+            new RegionInfo("FR"),
+            new RegionInfo("ES"),
+            new RegionInfo("PT"),
+            new RegionInfo("GB"),
+            new RegionInfo("US"),
+            new RegionInfo("CA")
+        };
+    }
+}

Mysql-example/Database/Types/User.cs

@@ -0,0 +1,57 @@
+using Google.Protobuf.WellKnownTypes;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Mysql_example.Database.Schema
+{
+    public class User
+    {
+        [Browsable(false)] public ulong Id { get; set; }
+        public string Email { get; set; }
+        [DisplayName("First Name")] public string FirstName { get; set; }
+        [DisplayName("Last Name")] public string LastName { get; set; }
+        public DateTime Birthday { get; set; }
+        [Browsable(false)] public Dictionary<UInt64, Address> Addresses { get; set; }
+        public List<Address> deletedAddreses { get; set; }
+        [Browsable(false)] public Address BillingAdress { get; set; }
+        [Browsable(false)] public Address ShippingAddress { get; set; }
+        [ReadOnly(true), Browsable(false)] public DateTime LastUpdated { get; set; }
+
+        public User() { }
+        public User(User user)
+        {
+            Id = user.Id;
+            Email = user.Email;
+            FirstName = user.FirstName;
+            LastName = user.LastName;
+            Birthday = user.Birthday;
+            Addresses = new Dictionary<UInt64, Address>();
+            foreach(Address address in user.Addresses.Values)
+            {
+                Addresses[address.Id] = new Address(address);
+            }
+            deletedAddreses = new List<Address>();
+            BillingAdress = user.BillingAdress;
+            ShippingAddress = user.ShippingAddress;
+            LastUpdated = user.LastUpdated;
+        }
+        public void copyValues(User data)
+        {
+            Id = data.Id;
+            Email = data.Email;
+            FirstName = data.FirstName;
+            LastName = data.LastName;
+            Birthday = data.Birthday;
+            Addresses = data.Addresses;
+            BillingAdress = data.BillingAdress;
+            ShippingAddress = data.ShippingAddress;
+            LastUpdated = data.LastUpdated;
+        }
+
+
+    }
+}

Mysql-example/Database/schema.sql

@@ -0,0 +1,36 @@
+CREATE TABLE `addresses` (
+  `id` bigint(20) UNSIGNED NOT NULL,
+  `user_id` bigint(20) UNSIGNED NOT NULL,
+  `first_name` varchar(64) NOT NULL,
+  `last_name` varchar(64) NOT NULL,
+  `street` varchar(64) NOT NULL,
+  `house_number` varchar(64) NOT NULL,
+  `city` varchar(64) NOT NULL,
+  `postal_code` varchar(64) NOT NULL,
+  `country` varchar(2) NOT NULL,
+  `last_updated` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp()
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+CREATE TABLE `users` (
+  `id` bigint(20) UNSIGNED NOT NULL,
+  `email` varchar(64) NOT NULL,
+  `password_hash` varchar(512) NOT NULL DEFAULT 'password-hash',
+  `first_name` varchar(64) NOT NULL,
+  `last_name` varchar(64) NOT NULL,
+  `birthday` date NOT NULL,
+  `billing_address_id` int(20) UNSIGNED DEFAULT NULL,
+  `shipping_address_id` int(20) UNSIGNED DEFAULT NULL,
+  `last_updated` timestamp NOT NULL DEFAULT current_timestamp() ON UPDATE current_timestamp()
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
+
+
+ALTER TABLE `addresses`
+  ADD PRIMARY KEY (`id`);
+ALTER TABLE `users`
+  ADD PRIMARY KEY (`id`),
+  ADD UNIQUE KEY `email` (`email`);
+ALTER TABLE `addresses`
+  MODIFY `id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT;
+ALTER TABLE `users`
+  MODIFY `id` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT;
+COMMIT;

Mysql-example/MainForm.Designer.cs

@@ -0,0 +1,215 @@
+using Mysql_example.Database;
+using System.Data;
+
+namespace Mysql_example
+{
+    partial class MainForm
+    {
+        /// <summary>
+        ///  Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        ///  Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        ///  Required method for Designer support - do not modify
+        ///  the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.components = new System.ComponentModel.Container();
+            this.DataGridViewUserInfo = new System.Windows.Forms.DataGridView();
+            this.ContextMenuStripUsers = new System.Windows.Forms.ContextMenuStrip(this.components);
+            this.AddUserToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.DeleteUserToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.SplitContainer = new System.Windows.Forms.SplitContainer();
+            this.TabControlsDataGrids = new System.Windows.Forms.TabControl();
+            this.TabPageUsers = new System.Windows.Forms.TabPage();
+            this.TableLayoutPanelAddUser = new System.Windows.Forms.TableLayoutPanel();
+            this.TabPageAddresses = new System.Windows.Forms.TabPage();
+            this.DataGridViewAdressInfo = new System.Windows.Forms.DataGridView();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridViewUserInfo)).BeginInit();
+            this.ContextMenuStripUsers.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.SplitContainer)).BeginInit();
+            this.SplitContainer.Panel2.SuspendLayout();
+            this.SplitContainer.SuspendLayout();
+            this.TabControlsDataGrids.SuspendLayout();
+            this.TabPageUsers.SuspendLayout();
+            this.TableLayoutPanelAddUser.SuspendLayout();
+            this.TabPageAddresses.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridViewAdressInfo)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // DataGridViewUserInfo
+            // 
+            this.DataGridViewUserInfo.AllowUserToAddRows = false;
+            this.DataGridViewUserInfo.AllowUserToDeleteRows = false;
+            this.DataGridViewUserInfo.AllowUserToOrderColumns = true;
+            this.DataGridViewUserInfo.AllowUserToResizeRows = false;
+            this.DataGridViewUserInfo.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
+            this.DataGridViewUserInfo.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridViewUserInfo.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.DataGridViewUserInfo.Location = new System.Drawing.Point(0, 0);
+            this.DataGridViewUserInfo.Margin = new System.Windows.Forms.Padding(0);
+            this.DataGridViewUserInfo.Name = "DataGridViewUserInfo";
+            this.DataGridViewUserInfo.RowHeadersVisible = false;
+            this.DataGridViewUserInfo.RowTemplate.ContextMenuStrip = this.ContextMenuStripUsers;
+            this.DataGridViewUserInfo.RowTemplate.Height = 25;
+            this.DataGridViewUserInfo.Size = new System.Drawing.Size(773, 371);
+            this.DataGridViewUserInfo.TabIndex = 0;
+            this.DataGridViewUserInfo.CellContentClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.DataGridViewUserInfo_CellContentClick);
+            this.DataGridViewUserInfo.CellMouseEnter += new System.Windows.Forms.DataGridViewCellEventHandler(this.DataGridViewUserInfo_CellMouseEnter);
+            // 
+            // ContextMenuStripUsers
+            // 
+            this.ContextMenuStripUsers.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.AddUserToolStripMenuItem,
+            this.DeleteUserToolStripMenuItem});
+            this.ContextMenuStripUsers.Name = "ContextMenuStripUsers";
+            this.ContextMenuStripUsers.Size = new System.Drawing.Size(134, 48);
+            // 
+            // AddUserToolStripMenuItem
+            // 
+            this.AddUserToolStripMenuItem.Name = "AddUserToolStripMenuItem";
+            this.AddUserToolStripMenuItem.Size = new System.Drawing.Size(133, 22);
+            this.AddUserToolStripMenuItem.Text = "Add User";
+            this.AddUserToolStripMenuItem.Click += new System.EventHandler(this.AddUserToolStripMenuItem_Click);
+            // 
+            // DeleteUserToolStripMenuItem
+            // 
+            this.DeleteUserToolStripMenuItem.Name = "DeleteUserToolStripMenuItem";
+            this.DeleteUserToolStripMenuItem.Size = new System.Drawing.Size(133, 22);
+            this.DeleteUserToolStripMenuItem.Text = "Delete User";
+            this.DeleteUserToolStripMenuItem.Click += new System.EventHandler(this.DeleteUserToolStripMenuItem_Click);
+            // 
+            // SplitContainer
+            // 
+            this.SplitContainer.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.SplitContainer.Location = new System.Drawing.Point(0, 0);
+            this.SplitContainer.Name = "SplitContainer";
+            this.SplitContainer.Orientation = System.Windows.Forms.Orientation.Horizontal;
+            // 
+            // SplitContainer.Panel2
+            // 
+            this.SplitContainer.Panel2.Controls.Add(this.TabControlsDataGrids);
+            this.SplitContainer.Size = new System.Drawing.Size(787, 441);
+            this.SplitContainer.SplitterDistance = 32;
+            this.SplitContainer.TabIndex = 1;
+            // 
+            // TabControlsDataGrids
+            // 
+            this.TabControlsDataGrids.Controls.Add(this.TabPageUsers);
+            this.TabControlsDataGrids.Controls.Add(this.TabPageAddresses);
+            this.TabControlsDataGrids.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TabControlsDataGrids.Font = new System.Drawing.Font("Segoe UI", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.TabControlsDataGrids.ItemSize = new System.Drawing.Size(60, 20);
+            this.TabControlsDataGrids.Location = new System.Drawing.Point(0, 0);
+            this.TabControlsDataGrids.Margin = new System.Windows.Forms.Padding(0);
+            this.TabControlsDataGrids.Name = "TabControlsDataGrids";
+            this.TabControlsDataGrids.SelectedIndex = 0;
+            this.TabControlsDataGrids.Size = new System.Drawing.Size(787, 405);
+            this.TabControlsDataGrids.TabIndex = 1;
+            // 
+            // TabPageUsers
+            // 
+            this.TabPageUsers.Controls.Add(this.TableLayoutPanelAddUser);
+            this.TabPageUsers.Location = new System.Drawing.Point(4, 24);
+            this.TabPageUsers.Name = "TabPageUsers";
+            this.TabPageUsers.Padding = new System.Windows.Forms.Padding(3);
+            this.TabPageUsers.Size = new System.Drawing.Size(779, 377);
+            this.TabPageUsers.TabIndex = 0;
+            this.TabPageUsers.Text = "Users";
+            this.TabPageUsers.UseVisualStyleBackColor = true;
+            // 
+            // TableLayoutPanelAddUser
+            // 
+            this.TableLayoutPanelAddUser.ColumnCount = 1;
+            this.TableLayoutPanelAddUser.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.TableLayoutPanelAddUser.Controls.Add(this.DataGridViewUserInfo, 0, 0);
+            this.TableLayoutPanelAddUser.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TableLayoutPanelAddUser.Location = new System.Drawing.Point(3, 3);
+            this.TableLayoutPanelAddUser.Name = "TableLayoutPanelAddUser";
+            this.TableLayoutPanelAddUser.RowCount = 1;
+            this.TableLayoutPanelAddUser.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.TableLayoutPanelAddUser.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+            this.TableLayoutPanelAddUser.Size = new System.Drawing.Size(773, 371);
+            this.TableLayoutPanelAddUser.TabIndex = 0;
+            // 
+            // TabPageAddresses
+            // 
+            this.TabPageAddresses.Controls.Add(this.DataGridViewAdressInfo);
+            this.TabPageAddresses.Location = new System.Drawing.Point(4, 24);
+            this.TabPageAddresses.Name = "TabPageAddresses";
+            this.TabPageAddresses.Padding = new System.Windows.Forms.Padding(3);
+            this.TabPageAddresses.Size = new System.Drawing.Size(779, 377);
+            this.TabPageAddresses.TabIndex = 1;
+            this.TabPageAddresses.Text = "Addresses";
+            this.TabPageAddresses.UseVisualStyleBackColor = true;
+            // 
+            // DataGridViewAdressInfo
+            // 
+            this.DataGridViewAdressInfo.AllowUserToAddRows = false;
+            this.DataGridViewAdressInfo.AllowUserToDeleteRows = false;
+            this.DataGridViewAdressInfo.AllowUserToResizeRows = false;
+            this.DataGridViewAdressInfo.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
+            this.DataGridViewAdressInfo.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridViewAdressInfo.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.DataGridViewAdressInfo.Location = new System.Drawing.Point(3, 3);
+            this.DataGridViewAdressInfo.Margin = new System.Windows.Forms.Padding(0);
+            this.DataGridViewAdressInfo.Name = "DataGridViewAdressInfo";
+            this.DataGridViewAdressInfo.RowHeadersVisible = false;
+            this.DataGridViewAdressInfo.RowTemplate.Height = 25;
+            this.DataGridViewAdressInfo.Size = new System.Drawing.Size(773, 371);
+            this.DataGridViewAdressInfo.TabIndex = 0;
+            // 
+            // MainForm
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(787, 441);
+            this.Controls.Add(this.SplitContainer);
+            this.Name = "MainForm";
+            this.Text = "Form1";
+            this.Load += new System.EventHandler(this.MainPage_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridViewUserInfo)).EndInit();
+            this.ContextMenuStripUsers.ResumeLayout(false);
+            this.SplitContainer.Panel2.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.SplitContainer)).EndInit();
+            this.SplitContainer.ResumeLayout(false);
+            this.TabControlsDataGrids.ResumeLayout(false);
+            this.TabPageUsers.ResumeLayout(false);
+            this.TableLayoutPanelAddUser.ResumeLayout(false);
+            this.TabPageAddresses.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridViewAdressInfo)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private DataGridView DataGridViewUserInfo;
+        private SplitContainer SplitContainer;
+        private TabControl TabControlsDataGrids;
+        private TabPage TabPageUsers;
+        private TabPage TabPageAddresses;
+        private DataGridView DataGridViewAdressInfo;
+        private TableLayoutPanel TableLayoutPanelAddUser;
+        private ContextMenuStrip ContextMenuStripUsers;
+        private ToolStripMenuItem AddUserToolStripMenuItem;
+        private ToolStripMenuItem DeleteUserToolStripMenuItem;
+    }
+}

Mysql-example/MainForm.cs

@@ -0,0 +1,112 @@
+using Mysql_example.Database;
+using Mysql_example.Database.Schema;
+using Mysql_example.Util;
+using static Mysql_example.Database.DBConnectSpecific;
+
+namespace Mysql_example
+{
+    public partial class MainForm : Form
+    {
+        Dictionary<UInt64, User> users;
+        Dictionary<UInt64, Address> addresses;
+        private DataGridViewCellEventArgs mouseLocation;
+        public MainForm()
+        {
+            InitializeComponent();
+        }
+        private void MainPage_Load(object sender, EventArgs e)
+        {
+            LoadData();
+            SetupUsersDataGridView();
+            SetupAddressesDataGriView();
+        }
+
+        private void LoadData()
+        {
+            DBConnectSpecific connection = new DBConnectSpecific();
+            usersAndAddressesStruct result = connection.ReadUsersAndAddresses();
+            users = result.users;
+            addresses = result.addresses;
+        }
+        private void SetupUsersDataGridView()
+        {
+            DataGridViewColumn oldColumn = DataGridViewUserInfo.Columns["edit"];
+            if(oldColumn != null ) DataGridViewUserInfo.Columns.Remove(oldColumn);
+
+            DataGridViewUserInfo.DataSource = Utility.usersToBindingList(users);
+            DataGridViewUserInfo.ReadOnly= true;
+
+            //Add Edit buttons
+            DataGridViewButtonColumn editColumn = new DataGridViewButtonColumn();
+            editColumn.Name = "edit";
+            editColumn.Text = "Edit";
+            editColumn.UseColumnTextForButtonValue= true;
+            editColumn.SortMode = DataGridViewColumnSortMode.NotSortable;
+            DataGridViewUserInfo.Columns.Add(editColumn);
+            editColumn.Width = 64;
+            editColumn.MinimumWidth = 64;
+        }
+        private void SetupAddressesDataGriView()
+        {
+            DataGridViewAdressInfo.DataSource = Utility.addressesToBindingList(addresses);
+            DataGridViewAdressInfo.Columns[nameof(Address.PostalCode)].Visible = false;
+            DataGridViewAdressInfo.Columns[nameof(Address.Region)].Visible = false;
+            DataGridViewAdressInfo.ReadOnly= true;
+        }
+        private void RefreshDataGridViews()
+        {
+            LoadData();
+
+            int scrollRowIndexUsers = DataGridViewUserInfo.FirstDisplayedScrollingRowIndex != -1 ? DataGridViewUserInfo.FirstDisplayedScrollingRowIndex : 0;
+            int scrollRowIndexAddresses = DataGridViewAdressInfo.FirstDisplayedScrollingRowIndex != -1 ? DataGridViewAdressInfo.FirstDisplayedScrollingRowIndex : 0;
+            SetupUsersDataGridView();
+            SetupAddressesDataGriView();
+            DataGridViewUserInfo.FirstDisplayedScrollingRowIndex = scrollRowIndexUsers;
+            DataGridViewAdressInfo.FirstDisplayedScrollingRowIndex = scrollRowIndexAddresses;
+        }
+        private void EditUser(User user)
+        {
+            UserEditForm editForm = new UserEditForm(ref user);
+            editForm.SaveUserCallback += new UserEditForm.SaveUserDelegate(this.OnUserSaveCallback);
+            editForm.Show();
+        }
+        
+        private void OnUserSaveCallback(ref User user)
+        {
+            DBConnectSpecific connection = new DBConnectSpecific();
+            connection.UpdateUser(ref user, users);
+            connection.UpdateAddressesOnUser(ref user, users);
+            RefreshDataGridViews();
+        }
+        private void DataGridViewUserInfo_CellContentClick(object sender, DataGridViewCellEventArgs e)
+        {
+            if (DataGridViewUserInfo.Columns["edit"].Index != e.ColumnIndex || e.RowIndex < 0) return;
+            EditUser(DataGridViewUserInfo.Rows[e.RowIndex].DataBoundItem as User);
+        }
+        private void AddUserToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            User newUser = new User();
+            newUser.Addresses = new Dictionary<ulong, Address>();
+            newUser.Birthday = DateTime.Now;
+            UserEditForm editForm = new UserEditForm(ref newUser);
+            editForm.SaveUserCallback += new UserEditForm.SaveUserDelegate(this.OnUserSaveCallback);
+            editForm.Show();
+            editForm.TextBoxEmail_Validating(null, null);
+        }
+        private void DeleteUserToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            DialogResult dialogResult = MessageBox.Show("This isn't Revertable", "Delete User?", MessageBoxButtons.YesNo);
+            if (dialogResult != DialogResult.Yes) return;
+
+            DataGridViewRow row = DataGridViewUserInfo.Rows[mouseLocation.RowIndex];
+            User user = row.DataBoundItem as User;
+            DBConnectSpecific connection = new DBConnectSpecific();
+            connection.DeleteUser(user);
+            RefreshDataGridViews();
+        }
+        private void DataGridViewUserInfo_CellMouseEnter(object sender, DataGridViewCellEventArgs e)
+        {
+            mouseLocation = e;
+        }
+    }
+}

Mysql-example/MainForm.resx

@@ -0,0 +1,63 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="ContextMenuStripUsers.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+</root>

Mysql-example/Mysql-example.csproj

@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net7.0-windows</TargetFramework>
+    <RootNamespace>Mysql_example</RootNamespace>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="..\.editorconfig" Link=".editorconfig" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MySql.Data" Version="8.0.33" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="Properties\Resources.Designer.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Update="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+  </ItemGroup>
+
+</Project>

Mysql-example/Mysql-example.csproj.user

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Compile Update="MainForm.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Update="UserEditForm.cs">
+      <SubType>Form</SubType>
+    </Compile>
+  </ItemGroup>
+</Project>

Mysql-example/Program.cs

@@ -0,0 +1,21 @@
+using Mysql_example.Database;
+using static System.ComponentModel.Design.ObjectSelectorEditor;
+
+namespace Mysql_example
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            // To customize application configuration such as set high DPI settings or default font,
+            // see https://aka.ms/applicationconfiguration
+            ApplicationConfiguration.Initialize();
+            Application.Run(new MainForm());
+
+        }
+    }
+}

Mysql-example/Properties/Resources.Designer.cs

@@ -0,0 +1,63 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Dieser Code wurde von einem Tool generiert.
+//     Laufzeitversion:4.0.30319.42000
+//
+//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+//     der Code erneut generiert wird.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace Mysql_example.Properties {
+    using System;
+    
+    
+    /// <summary>
+    ///   Eine stark typisierte Ressourcenklasse zum Suchen von lokalisierten Zeichenfolgen usw.
+    /// </summary>
+    // Diese Klasse wurde von der StronglyTypedResourceBuilder automatisch generiert
+    // -Klasse über ein Tool wie ResGen oder Visual Studio automatisch generiert.
+    // Um einen Member hinzuzufügen oder zu entfernen, bearbeiten Sie die .ResX-Datei und führen dann ResGen
+    // mit der /str-Option erneut aus, oder Sie erstellen Ihr VS-Projekt neu.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class Resources {
+        
+        private static global::System.Resources.ResourceManager resourceMan;
+        
+        private static global::System.Globalization.CultureInfo resourceCulture;
+        
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources() {
+        }
+        
+        /// <summary>
+        ///   Gibt die zwischengespeicherte ResourceManager-Instanz zurück, die von dieser Klasse verwendet wird.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager {
+            get {
+                if (object.ReferenceEquals(resourceMan, null)) {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("Mysql_example.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+        
+        /// <summary>
+        ///   Überschreibt die CurrentUICulture-Eigenschaft des aktuellen Threads für alle
+        ///   Ressourcenzuordnungen, die diese stark typisierte Ressourcenklasse verwenden.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture {
+            get {
+                return resourceCulture;
+            }
+            set {
+                resourceCulture = value;
+            }
+        }
+    }
+}

Mysql-example/Properties/Resources.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

Mysql-example/UserEditForm.Designer.cs

@@ -0,0 +1,398 @@
+namespace Mysql_example
+{
+    partial class UserEditForm
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.components = new System.ComponentModel.Container();
+            this.ContextMenuStripAddress = new System.Windows.Forms.ContextMenuStrip(this.components);
+            this.ToolStripMenuItemMakeDefaultBilling = new System.Windows.Forms.ToolStripMenuItem();
+            this.ToolStripMenuItemMakeDefaultShipping = new System.Windows.Forms.ToolStripMenuItem();
+            this.DeleteToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.TableLayoutPanelButtons = new System.Windows.Forms.TableLayoutPanel();
+            this.UserEditCancelButton = new System.Windows.Forms.Button();
+            this.UserEditSaveButton = new System.Windows.Forms.Button();
+            this.UserEditRevertButton = new System.Windows.Forms.Button();
+            this.EditTabs = new System.Windows.Forms.TabControl();
+            this.TabPageUser = new System.Windows.Forms.TabPage();
+            this.TableLayoutPanelUserData = new System.Windows.Forms.TableLayoutPanel();
+            this.TextBoxEmail = new System.Windows.Forms.TextBox();
+            this.TextBoxLastName = new System.Windows.Forms.TextBox();
+            this.TextBoxFirstName = new System.Windows.Forms.TextBox();
+            this.DateTimePickerBirthday = new System.Windows.Forms.DateTimePicker();
+            this.LabelFirstName = new System.Windows.Forms.Label();
+            this.LabelLastName = new System.Windows.Forms.Label();
+            this.LabelEmail = new System.Windows.Forms.Label();
+            this.LabelBirthday = new System.Windows.Forms.Label();
+            this.TabPageAddresses = new System.Windows.Forms.TabPage();
+            this.DataGridViewAddresses = new System.Windows.Forms.DataGridView();
+            this.TableLayoutPanelVerticalSplit = new System.Windows.Forms.TableLayoutPanel();
+            this.ErrorProviderUserEdit = new System.Windows.Forms.ErrorProvider(this.components);
+            this.ContextMenuStripAddress.SuspendLayout();
+            this.TableLayoutPanelButtons.SuspendLayout();
+            this.EditTabs.SuspendLayout();
+            this.TabPageUser.SuspendLayout();
+            this.TableLayoutPanelUserData.SuspendLayout();
+            this.TabPageAddresses.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridViewAddresses)).BeginInit();
+            this.TableLayoutPanelVerticalSplit.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.ErrorProviderUserEdit)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // ContextMenuStripAddress
+            // 
+            this.ContextMenuStripAddress.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.ToolStripMenuItemMakeDefaultBilling,
+            this.ToolStripMenuItemMakeDefaultShipping,
+            this.DeleteToolStripMenuItem});
+            this.ContextMenuStripAddress.Name = "contextMenuStrip1";
+            this.ContextMenuStripAddress.Size = new System.Drawing.Size(240, 70);
+            // 
+            // ToolStripMenuItemMakeDefaultBilling
+            // 
+            this.ToolStripMenuItemMakeDefaultBilling.Name = "ToolStripMenuItemMakeDefaultBilling";
+            this.ToolStripMenuItemMakeDefaultBilling.Size = new System.Drawing.Size(239, 22);
+            this.ToolStripMenuItemMakeDefaultBilling.Text = "Make Default Billing Address";
+            this.ToolStripMenuItemMakeDefaultBilling.Click += new System.EventHandler(this.ToolStripMenuItemMakeDefaultBilling_Click);
+            // 
+            // ToolStripMenuItemMakeDefaultShipping
+            // 
+            this.ToolStripMenuItemMakeDefaultShipping.Name = "ToolStripMenuItemMakeDefaultShipping";
+            this.ToolStripMenuItemMakeDefaultShipping.Size = new System.Drawing.Size(239, 22);
+            this.ToolStripMenuItemMakeDefaultShipping.Text = "Make Default Shipping Address";
+            this.ToolStripMenuItemMakeDefaultShipping.Click += new System.EventHandler(this.ToolStripMenuItemMakeDefaultShipping_Click);
+            // 
+            // DeleteToolStripMenuItem
+            // 
+            this.DeleteToolStripMenuItem.Name = "DeleteToolStripMenuItem";
+            this.DeleteToolStripMenuItem.Size = new System.Drawing.Size(239, 22);
+            this.DeleteToolStripMenuItem.Text = "Delete";
+            this.DeleteToolStripMenuItem.Click += new System.EventHandler(this.ToolStripMenuItemDelete_Click);
+            // 
+            // TableLayoutPanelButtons
+            // 
+            this.TableLayoutPanelButtons.ColumnCount = 3;
+            this.TableLayoutPanelButtons.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 33.33333F));
+            this.TableLayoutPanelButtons.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 33.33333F));
+            this.TableLayoutPanelButtons.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 33.33333F));
+            this.TableLayoutPanelButtons.Controls.Add(this.UserEditCancelButton, 0, 0);
+            this.TableLayoutPanelButtons.Controls.Add(this.UserEditSaveButton, 2, 0);
+            this.TableLayoutPanelButtons.Controls.Add(this.UserEditRevertButton, 1, 0);
+            this.TableLayoutPanelButtons.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TableLayoutPanelButtons.Location = new System.Drawing.Point(0, 201);
+            this.TableLayoutPanelButtons.Margin = new System.Windows.Forms.Padding(0);
+            this.TableLayoutPanelButtons.Name = "TableLayoutPanelButtons";
+            this.TableLayoutPanelButtons.Padding = new System.Windows.Forms.Padding(3);
+            this.TableLayoutPanelButtons.RowCount = 1;
+            this.TableLayoutPanelButtons.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.TableLayoutPanelButtons.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+            this.TableLayoutPanelButtons.Size = new System.Drawing.Size(584, 40);
+            this.TableLayoutPanelButtons.TabIndex = 1;
+            // 
+            // UserEditCancelButton
+            // 
+            this.UserEditCancelButton.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.UserEditCancelButton.Location = new System.Drawing.Point(3, 3);
+            this.UserEditCancelButton.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.UserEditCancelButton.Name = "UserEditCancelButton";
+            this.UserEditCancelButton.Size = new System.Drawing.Size(189, 34);
+            this.UserEditCancelButton.TabIndex = 0;
+            this.UserEditCancelButton.Text = "Cancel";
+            this.UserEditCancelButton.UseVisualStyleBackColor = true;
+            this.UserEditCancelButton.Click += new System.EventHandler(this.CancelButton_Click);
+            // 
+            // UserEditSaveButton
+            // 
+            this.UserEditSaveButton.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.UserEditSaveButton.Location = new System.Drawing.Point(387, 3);
+            this.UserEditSaveButton.Margin = new System.Windows.Forms.Padding(0);
+            this.UserEditSaveButton.Name = "UserEditSaveButton";
+            this.UserEditSaveButton.Size = new System.Drawing.Size(194, 34);
+            this.UserEditSaveButton.TabIndex = 0;
+            this.UserEditSaveButton.Text = "Save";
+            this.UserEditSaveButton.UseVisualStyleBackColor = true;
+            this.UserEditSaveButton.Click += new System.EventHandler(this.SaveButton_Click);
+            // 
+            // UserEditRevertButton
+            // 
+            this.UserEditRevertButton.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.UserEditRevertButton.Location = new System.Drawing.Point(195, 3);
+            this.UserEditRevertButton.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.UserEditRevertButton.Name = "UserEditRevertButton";
+            this.UserEditRevertButton.Size = new System.Drawing.Size(189, 34);
+            this.UserEditRevertButton.TabIndex = 0;
+            this.UserEditRevertButton.Text = "Revert";
+            this.UserEditRevertButton.UseVisualStyleBackColor = true;
+            this.UserEditRevertButton.Click += new System.EventHandler(this.RevertButton_Click);
+            // 
+            // EditTabs
+            // 
+            this.EditTabs.Controls.Add(this.TabPageUser);
+            this.EditTabs.Controls.Add(this.TabPageAddresses);
+            this.EditTabs.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.EditTabs.Font = new System.Drawing.Font("Segoe UI", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.EditTabs.ItemSize = new System.Drawing.Size(60, 20);
+            this.EditTabs.Location = new System.Drawing.Point(0, 0);
+            this.EditTabs.Margin = new System.Windows.Forms.Padding(0);
+            this.EditTabs.Name = "EditTabs";
+            this.EditTabs.Padding = new System.Drawing.Point(0, 0);
+            this.EditTabs.SelectedIndex = 0;
+            this.EditTabs.Size = new System.Drawing.Size(584, 201);
+            this.EditTabs.TabIndex = 0;
+            // 
+            // TabPageUser
+            // 
+            this.TabPageUser.Controls.Add(this.TableLayoutPanelUserData);
+            this.TabPageUser.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.TabPageUser.Location = new System.Drawing.Point(4, 24);
+            this.TabPageUser.Margin = new System.Windows.Forms.Padding(0);
+            this.TabPageUser.Name = "TabPageUser";
+            this.TabPageUser.Size = new System.Drawing.Size(576, 173);
+            this.TabPageUser.TabIndex = 0;
+            this.TabPageUser.Text = "User";
+            this.TabPageUser.UseVisualStyleBackColor = true;
+            // 
+            // TableLayoutPanelUserData
+            // 
+            this.TableLayoutPanelUserData.ColumnCount = 2;
+            this.TableLayoutPanelUserData.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle());
+            this.TableLayoutPanelUserData.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.TableLayoutPanelUserData.Controls.Add(this.TextBoxEmail, 1, 2);
+            this.TableLayoutPanelUserData.Controls.Add(this.TextBoxLastName, 1, 1);
+            this.TableLayoutPanelUserData.Controls.Add(this.TextBoxFirstName, 1, 0);
+            this.TableLayoutPanelUserData.Controls.Add(this.DateTimePickerBirthday, 1, 3);
+            this.TableLayoutPanelUserData.Controls.Add(this.LabelFirstName, 0, 0);
+            this.TableLayoutPanelUserData.Controls.Add(this.LabelLastName, 0, 1);
+            this.TableLayoutPanelUserData.Controls.Add(this.LabelEmail, 0, 2);
+            this.TableLayoutPanelUserData.Controls.Add(this.LabelBirthday, 0, 3);
+            this.TableLayoutPanelUserData.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TableLayoutPanelUserData.Location = new System.Drawing.Point(0, 0);
+            this.TableLayoutPanelUserData.Margin = new System.Windows.Forms.Padding(0);
+            this.TableLayoutPanelUserData.Name = "TableLayoutPanelUserData";
+            this.TableLayoutPanelUserData.Padding = new System.Windows.Forms.Padding(0, 0, 22, 0);
+            this.TableLayoutPanelUserData.RowCount = 5;
+            this.TableLayoutPanelUserData.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 43F));
+            this.TableLayoutPanelUserData.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 43F));
+            this.TableLayoutPanelUserData.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 43F));
+            this.TableLayoutPanelUserData.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 43F));
+            this.TableLayoutPanelUserData.RowStyles.Add(new System.Windows.Forms.RowStyle());
+            this.TableLayoutPanelUserData.Size = new System.Drawing.Size(576, 173);
+            this.TableLayoutPanelUserData.TabIndex = 0;
+            // 
+            // TextBoxEmail
+            // 
+            this.TextBoxEmail.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TextBoxEmail.Location = new System.Drawing.Point(98, 89);
+            this.TextBoxEmail.MinimumSize = new System.Drawing.Size(0, 40);
+            this.TextBoxEmail.Name = "TextBoxEmail";
+            this.TextBoxEmail.PlaceholderText = "Email";
+            this.TextBoxEmail.Size = new System.Drawing.Size(453, 40);
+            this.TextBoxEmail.TabIndex = 0;
+            this.TextBoxEmail.Validating += new System.ComponentModel.CancelEventHandler(this.TextBoxEmail_Validating);
+            // 
+            // TextBoxLastName
+            // 
+            this.TextBoxLastName.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TextBoxLastName.Location = new System.Drawing.Point(98, 46);
+            this.TextBoxLastName.MinimumSize = new System.Drawing.Size(0, 40);
+            this.TextBoxLastName.Name = "TextBoxLastName";
+            this.TextBoxLastName.PlaceholderText = "Last Name";
+            this.TextBoxLastName.Size = new System.Drawing.Size(453, 40);
+            this.TextBoxLastName.TabIndex = 0;
+            // 
+            // TextBoxFirstName
+            // 
+            this.TextBoxFirstName.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TextBoxFirstName.Location = new System.Drawing.Point(98, 3);
+            this.TextBoxFirstName.MinimumSize = new System.Drawing.Size(0, 40);
+            this.TextBoxFirstName.Name = "TextBoxFirstName";
+            this.TextBoxFirstName.PlaceholderText = "First Name";
+            this.TextBoxFirstName.Size = new System.Drawing.Size(453, 40);
+            this.TextBoxFirstName.TabIndex = 0;
+            // 
+            // DateTimePickerBirthday
+            // 
+            this.DateTimePickerBirthday.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.DateTimePickerBirthday.Location = new System.Drawing.Point(98, 132);
+            this.DateTimePickerBirthday.MinDate = new System.DateTime(1900, 1, 1, 0, 0, 0, 0);
+            this.DateTimePickerBirthday.MinimumSize = new System.Drawing.Size(0, 40);
+            this.DateTimePickerBirthday.Name = "DateTimePickerBirthday";
+            this.DateTimePickerBirthday.Size = new System.Drawing.Size(453, 40);
+            this.DateTimePickerBirthday.TabIndex = 0;
+            // 
+            // LabelFirstName
+            // 
+            this.LabelFirstName.AutoSize = true;
+            this.LabelFirstName.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.LabelFirstName.Font = new System.Drawing.Font("Segoe UI", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.LabelFirstName.Location = new System.Drawing.Point(3, 3);
+            this.LabelFirstName.Margin = new System.Windows.Forms.Padding(3);
+            this.LabelFirstName.Name = "LabelFirstName";
+            this.LabelFirstName.Size = new System.Drawing.Size(89, 37);
+            this.LabelFirstName.TabIndex = 1;
+            this.LabelFirstName.Text = "First Name:";
+            this.LabelFirstName.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // LabelLastName
+            // 
+            this.LabelLastName.AutoSize = true;
+            this.LabelLastName.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.LabelLastName.Font = new System.Drawing.Font("Segoe UI", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.LabelLastName.Location = new System.Drawing.Point(3, 46);
+            this.LabelLastName.Margin = new System.Windows.Forms.Padding(3);
+            this.LabelLastName.Name = "LabelLastName";
+            this.LabelLastName.Size = new System.Drawing.Size(89, 37);
+            this.LabelLastName.TabIndex = 2;
+            this.LabelLastName.Text = "Last Name:";
+            this.LabelLastName.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // LabelEmail
+            // 
+            this.LabelEmail.AutoSize = true;
+            this.LabelEmail.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.LabelEmail.Font = new System.Drawing.Font("Segoe UI", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.LabelEmail.Location = new System.Drawing.Point(3, 89);
+            this.LabelEmail.Margin = new System.Windows.Forms.Padding(3);
+            this.LabelEmail.Name = "LabelEmail";
+            this.LabelEmail.Size = new System.Drawing.Size(89, 37);
+            this.LabelEmail.TabIndex = 3;
+            this.LabelEmail.Text = "Email:";
+            this.LabelEmail.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // LabelBirthday
+            // 
+            this.LabelBirthday.AutoSize = true;
+            this.LabelBirthday.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.LabelBirthday.Font = new System.Drawing.Font("Segoe UI", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            this.LabelBirthday.Location = new System.Drawing.Point(3, 132);
+            this.LabelBirthday.Margin = new System.Windows.Forms.Padding(3);
+            this.LabelBirthday.Name = "LabelBirthday";
+            this.LabelBirthday.Size = new System.Drawing.Size(89, 37);
+            this.LabelBirthday.TabIndex = 4;
+            this.LabelBirthday.Text = "Birthday:";
+            this.LabelBirthday.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            // 
+            // TabPageAddresses
+            // 
+            this.TabPageAddresses.Controls.Add(this.DataGridViewAddresses);
+            this.TabPageAddresses.Location = new System.Drawing.Point(4, 24);
+            this.TabPageAddresses.Margin = new System.Windows.Forms.Padding(0);
+            this.TabPageAddresses.Name = "TabPageAddresses";
+            this.TabPageAddresses.Size = new System.Drawing.Size(576, 173);
+            this.TabPageAddresses.TabIndex = 1;
+            this.TabPageAddresses.Text = "Addresses";
+            this.TabPageAddresses.UseVisualStyleBackColor = true;
+            // 
+            // DataGridViewAddresses
+            // 
+            this.DataGridViewAddresses.AllowUserToDeleteRows = false;
+            this.DataGridViewAddresses.AllowUserToResizeRows = false;
+            this.DataGridViewAddresses.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
+            this.DataGridViewAddresses.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridViewAddresses.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.DataGridViewAddresses.Location = new System.Drawing.Point(0, 0);
+            this.DataGridViewAddresses.Name = "DataGridViewAddresses";
+            this.DataGridViewAddresses.RowHeadersVisible = false;
+            this.DataGridViewAddresses.RowTemplate.ContextMenuStrip = this.ContextMenuStripAddress;
+            this.DataGridViewAddresses.RowTemplate.Height = 25;
+            this.DataGridViewAddresses.Size = new System.Drawing.Size(576, 173);
+            this.DataGridViewAddresses.TabIndex = 0;
+            this.DataGridViewAddresses.CellClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.DataGridViewAddresses_CellClick);
+            this.DataGridViewAddresses.CellFormatting += new System.Windows.Forms.DataGridViewCellFormattingEventHandler(this.DataGridViewAddresses_CellFormatting);
+            this.DataGridViewAddresses.CellMouseEnter += new System.Windows.Forms.DataGridViewCellEventHandler(this.DataGridViewAddresses_CellMouseEnter);
+            this.DataGridViewAddresses.CurrentCellDirtyStateChanged += new System.EventHandler(this.DataGridViewAddresses_CurrentCellDirtyStateChanged);
+            // 
+            // TableLayoutPanelVerticalSplit
+            // 
+            this.TableLayoutPanelVerticalSplit.ColumnCount = 1;
+            this.TableLayoutPanelVerticalSplit.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.TableLayoutPanelVerticalSplit.Controls.Add(this.EditTabs, 0, 0);
+            this.TableLayoutPanelVerticalSplit.Controls.Add(this.TableLayoutPanelButtons, 0, 1);
+            this.TableLayoutPanelVerticalSplit.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.TableLayoutPanelVerticalSplit.Location = new System.Drawing.Point(0, 0);
+            this.TableLayoutPanelVerticalSplit.Margin = new System.Windows.Forms.Padding(6);
+            this.TableLayoutPanelVerticalSplit.Name = "TableLayoutPanelVerticalSplit";
+            this.TableLayoutPanelVerticalSplit.RowCount = 2;
+            this.TableLayoutPanelVerticalSplit.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.TableLayoutPanelVerticalSplit.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 40F));
+            this.TableLayoutPanelVerticalSplit.Size = new System.Drawing.Size(584, 241);
+            this.TableLayoutPanelVerticalSplit.TabIndex = 2;
+            // 
+            // ErrorProviderUserEdit
+            // 
+            this.ErrorProviderUserEdit.BlinkStyle = System.Windows.Forms.ErrorBlinkStyle.NeverBlink;
+            this.ErrorProviderUserEdit.ContainerControl = this;
+            // 
+            // UserEditForm
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(584, 241);
+            this.Controls.Add(this.TableLayoutPanelVerticalSplit);
+            this.MinimumSize = new System.Drawing.Size(550, 280);
+            this.Name = "UserEditForm";
+            this.Text = "UserEditForm";
+            this.ContextMenuStripAddress.ResumeLayout(false);
+            this.TableLayoutPanelButtons.ResumeLayout(false);
+            this.EditTabs.ResumeLayout(false);
+            this.TabPageUser.ResumeLayout(false);
+            this.TableLayoutPanelUserData.ResumeLayout(false);
+            this.TableLayoutPanelUserData.PerformLayout();
+            this.TabPageAddresses.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridViewAddresses)).EndInit();
+            this.TableLayoutPanelVerticalSplit.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.ErrorProviderUserEdit)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+        private ContextMenuStrip ContextMenuStripAddress;
+        private ToolStripMenuItem ToolStripMenuItemMakeDefaultBilling;
+        private ToolStripMenuItem ToolStripMenuItemMakeDefaultShipping;
+        private TableLayoutPanel TableLayoutPanelButtons;
+        private Button UserEditCancelButton;
+        private Button UserEditSaveButton;
+        private Button UserEditRevertButton;
+        private TabControl EditTabs;
+        private TabPage TabPageUser;
+        private TableLayoutPanel TableLayoutPanelUserData;
+        private TextBox TextBoxEmail;
+        private TextBox TextBoxLastName;
+        private TextBox TextBoxFirstName;
+        private DateTimePicker DateTimePickerBirthday;
+        private Label LabelFirstName;
+        private Label LabelLastName;
+        private Label LabelEmail;
+        private Label LabelBirthday;
+        private TabPage TabPageAddresses;
+        private DataGridView DataGridViewAddresses;
+        private TableLayoutPanel TableLayoutPanelVerticalSplit;
+        private ErrorProvider ErrorProviderUserEdit;
+        private ToolStripMenuItem DeleteToolStripMenuItem;
+    }
+}

Mysql-example/UserEditForm.cs

@@ -0,0 +1,183 @@
+using Mysql_example.Database.Schema;
+using Mysql_example.Util;
+using System.ComponentModel;
+using System.Globalization;
+
+namespace Mysql_example
+{
+    public partial class UserEditForm : Form
+    {
+        User user;
+        User user_copy;
+        public delegate void SaveUserDelegate(ref User user);
+        public SaveUserDelegate SaveUserCallback;
+        private DataGridViewCellEventArgs mouseLocation;
+        private bool isEmailValid = true;
+        public UserEditForm(ref User _user)
+        {
+            this.user = _user;
+            this.user_copy = new User(user);
+            InitializeComponent();
+            BindUserData();
+            BindAddressData();
+            this.Text = user.FirstName + " " + user.LastName;
+        }
+        private void BindUserData()
+        {
+            TextBoxFirstName.DataBindings.Clear();
+            TextBoxFirstName.DataBindings.Add(nameof(TextBoxFirstName.Text), user_copy, nameof(user_copy.FirstName));
+            TextBoxLastName.DataBindings.Clear();
+            TextBoxLastName.DataBindings.Add(nameof(TextBoxLastName.Text), user_copy, nameof(user_copy.LastName));
+            TextBoxEmail.DataBindings.Clear();
+            TextBoxEmail.DataBindings.Add(nameof(TextBoxEmail.Text), user_copy, nameof(user_copy.Email));
+            DateTimePickerBirthday.DataBindings.Clear();
+            DateTimePickerBirthday.DataBindings.Add(nameof(DateTimePickerBirthday.Value), user_copy, nameof(user_copy.Birthday));
+        }
+
+        private void BindAddressData()
+        {
+            DataGridViewColumn oldColumn = DataGridViewAddresses.Columns["Country"];
+            if (oldColumn != null)DataGridViewAddresses.Columns.Remove(oldColumn);
+
+            DataGridViewAddresses.DataSource = Utility.addressesToBindingList(user_copy.Addresses);
+            (DataGridViewAddresses.DataSource as BindingList<Address>).ListChanged += UserEditForm_ListChanged;
+            DataGridViewAddresses.Columns[nameof(Address.Region)].Visible= false;
+            DataGridViewAddresses.Columns[nameof(Address.RegionCode)].Visible = false;
+            DataGridViewComboBoxColumn countryColumn= new DataGridViewComboBoxColumn();
+            countryColumn.HeaderText = "Country";
+            countryColumn.Name= "Country";
+
+            countryColumn.DataSource = Address.regionInfos;
+            countryColumn.DisplayMember = nameof(RegionInfo.EnglishName);
+            countryColumn.DataPropertyName = nameof(Address.Region);
+            countryColumn.ValueMember = nameof(RegionInfo.Name);
+
+            DataGridViewAddresses.Columns.Add(countryColumn);
+        }
+
+        private void UserEditForm_ListChanged(object? sender, ListChangedEventArgs e)
+        {
+            BindingList<Address> bindingList = sender as BindingList<Address>;
+            if (e.ListChangedType == ListChangedType.ItemAdded && bindingList.Count > user_copy.Addresses.Values.Count)
+            {
+                Address newAddress = bindingList.Last();
+                user_copy.Addresses[newAddress.Id] = newAddress;
+            }
+            if (e.ListChangedType == ListChangedType.ItemDeleted && bindingList.Count < user_copy.Addresses.Values.Count)
+            {
+                Address oldAddress = user_copy.Addresses.Values.ToList()[e.NewIndex];
+                user_copy.Addresses.Remove(oldAddress.Id);
+                user_copy.deletedAddreses.Add(oldAddress);
+                if (user_copy.BillingAdress != null && user_copy.BillingAdress.Id == oldAddress.Id) user_copy.BillingAdress = null;
+                if (user_copy.BillingAdress != null && user_copy.ShippingAddress.Id == oldAddress.Id) user_copy.ShippingAddress = null;
+            }
+        }
+        private void DataGridViewAddresses_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
+        {
+            DataGridViewRow dataRow = DataGridViewAddresses.Rows[e.RowIndex];
+            Address address = dataRow.DataBoundItem as Address;
+            if(address == null) return;
+
+            string matches = "";
+            if (user_copy.BillingAdress != null && user_copy.BillingAdress.Id == address.Id) matches += "billing";
+            if (user_copy.ShippingAddress != null && user_copy.ShippingAddress.Id == address.Id) matches += "shipping";
+
+            switch (matches)
+            {
+                case "billing":
+                    dataRow.DefaultCellStyle.BackColor = Color.Green;
+                    break;
+                case "shipping":
+                    dataRow.DefaultCellStyle.BackColor = Color.Yellow;
+                    break;
+                case "billingshipping":
+                    dataRow.DefaultCellStyle.BackColor = Color.Blue;
+                    break;
+                default:
+                    dataRow.DefaultCellStyle.BackColor = base.BackColor;
+                    break;
+            }
+        }
+
+        private void CancelButton_Click(object sender, EventArgs e)
+        {
+            this.Close();
+        }
+        private void RevertButton_Click(object sender, EventArgs e)
+        {
+            DialogResult dialogResult = MessageBox.Show("You will loose all your Changes", "revert Changes", MessageBoxButtons.YesNo);
+            if (dialogResult == DialogResult.No) return;
+
+            user_copy = new User(user);
+            BindUserData();
+            BindAddressData();
+        }
+        private void SaveButton_Click(object sender, EventArgs e)
+        {
+            if (!isEmailValid)
+            {
+                MessageBox.Show("Can't Save Email is Invalid");
+                return;
+            }
+            SaveUserCallback(ref user_copy);
+            Close();
+        }
+
+        // Update Copy of User Callbacks
+        private void DataGridViewAddresses_CellMouseEnter(object sender, DataGridViewCellEventArgs e)
+        {
+            mouseLocation = e;
+        }
+        private void ToolStripMenuItemMakeDefaultBilling_Click(object sender, EventArgs e)
+        {
+            if (DataGridViewAddresses.Rows.Count - 1 == mouseLocation.RowIndex) return;
+            DataGridViewRow row  = DataGridViewAddresses.Rows[mouseLocation.RowIndex];
+            Address address = row.DataBoundItem as Address;
+            user_copy.BillingAdress = address;
+            DataGridViewAddresses.Refresh();
+        }
+        private void ToolStripMenuItemMakeDefaultShipping_Click(object sender, EventArgs e)
+        {
+            if (DataGridViewAddresses.Rows.Count - 1 == mouseLocation.RowIndex) return;
+            DataGridViewRow row = DataGridViewAddresses.Rows[mouseLocation.RowIndex];
+            Address address = row.DataBoundItem as Address;
+            user_copy.ShippingAddress = address;
+            DataGridViewAddresses.Refresh();
+        }
+        private void ToolStripMenuItemDelete_Click(object sender, EventArgs e)
+        {
+            DialogResult dialogResult = MessageBox.Show("Delete Address?", "Address Deletion", MessageBoxButtons.YesNo);
+            if (dialogResult == DialogResult.No) return;
+
+            if (DataGridViewAddresses.Rows.Count - 1 == mouseLocation.RowIndex) return;
+            DataGridViewRow row = DataGridViewAddresses.Rows[mouseLocation.RowIndex];
+            Address address = row.DataBoundItem as Address;
+            (DataGridViewAddresses.DataSource as BindingList<Address>).Remove(address);
+        }
+        private void DataGridViewAddresses_CellClick(object sender, DataGridViewCellEventArgs e)
+        {
+            bool validClick = (e.RowIndex != -1 && e.ColumnIndex != -1);
+
+            if (validClick) DataGridViewAddresses.BeginEdit(true);
+            if (DataGridViewAddresses.Columns[e.ColumnIndex] is DataGridViewComboBoxColumn && validClick) ((ComboBox)DataGridViewAddresses.EditingControl).DroppedDown = true;
+        }
+        private void DataGridViewAddresses_CurrentCellDirtyStateChanged(object sender, EventArgs e)
+        {
+            DataGridViewAddresses.CommitEdit(DataGridViewDataErrorContexts.Commit);
+        }
+
+        public void TextBoxEmail_Validating(object sender, System.ComponentModel.CancelEventArgs e)
+        {
+            if (Utility.IsValidEmail(TextBoxEmail.Text))
+            {
+                ErrorProviderUserEdit.SetError(TextBoxEmail, "");
+                isEmailValid = true;
+                return;
+            }
+
+            ErrorProviderUserEdit.SetError(TextBoxEmail, "Email is Invalid");
+            ErrorProviderUserEdit.SetIconPadding(TextBoxEmail, 3);
+            isEmailValid = false;
+        }
+    }
+}

Mysql-example/UserEditForm.resx

@@ -0,0 +1,66 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="ContextMenuStripAddress.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="ErrorProviderUserEdit.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>204, 17</value>
+  </metadata>
+</root>

Mysql-example/Util/SortableBindingList.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Mysql_example.Util
+{
+    public class SortableBindingList<T> : BindingList<T>
+    {
+        private bool IsSorted { get; set; }
+        private ListSortDirection SortDirection { get; set; }
+        private PropertyDescriptor SortProperty { get; set; }
+        private readonly List<T>? _originalData;
+        protected override bool SupportsSortingCore
+        {
+            get
+            {
+                return true;
+            }
+        }
+        protected override ListSortDirection SortDirectionCore
+        {
+            get
+            {
+                return SortDirection;
+            }
+        }
+        protected override PropertyDescriptor SortPropertyCore
+        {
+            get
+            {
+                return SortProperty;
+            }
+        }
+        protected override void ApplySortCore(PropertyDescriptor PDsc, ListSortDirection Direction)
+        {
+            List<T> items = Items as List<T>;
+            if (items is null)
+            {
+                IsSorted = false;
+            }
+            else
+            {
+                var PCom = new PCompare<T>(PDsc.Name, Direction);
+                items.Sort(PCom);
+                IsSorted = true;
+                SortDirection = Direction;
+                SortProperty = PDsc;
+            }
+            OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
+        }
+        protected override bool IsSortedCore
+        {
+            get
+            {
+                return IsSorted;
+            }
+        }
+        protected override void RemoveSortCore()
+        {
+            IsSorted = false;
+        }
+        #region  Constructors 
+        public SortableBindingList(ICollection<T> list) : base((IList<T>)list)
+        {
+        }
+        public SortableBindingList() : base()
+        {
+        }
+        #endregion
+        #region  Property comparer 
+        private class PCompare<Type> : IComparer<T> where Type : T
+        {
+            private PropertyInfo PropInfo { get; set; }
+            private ListSortDirection SortDir { get; set; }
+            internal PCompare(string SortProperty, ListSortDirection SortDirection)
+            {
+                PropInfo = typeof(T).GetProperty(SortProperty);
+                SortDir = SortDirection;
+            }
+            internal int Compare(T x, T y)
+            {
+                return SortDir == ListSortDirection.Ascending ? Comparer.Default.Compare(PropInfo.GetValue(x, null), PropInfo.GetValue(y, null)) : Comparer.Default.Compare(PropInfo.GetValue(y, null), PropInfo.GetValue(x, null));
+            }
+            int IComparer<T>.Compare(T x, T y) => Compare(x, y);
+        }
+        #endregion
+    }
+}

Mysql-example/Util/Utility.cs

@@ -0,0 +1,43 @@
+using Mysql_example.Database.Schema;
+using System.Text.RegularExpressions;
+
+namespace Mysql_example.Util
+{
+    public static class Utility
+    {
+        private static Regex emailValidationRegex = new Regex(@"^([\w\.\-\+]+)@([\w\-]+)((\.(\w){2,3})+)$");
+
+        public static SortableBindingList<Address> addressesToBindingList(Dictionary<ulong, Address> adresses)
+        {
+            SortableBindingList<Address> bindingList = new SortableBindingList<Address>();
+            foreach (Address address in adresses.Values)
+            {
+                bindingList.Add(address);
+            }
+            return bindingList;
+        }
+        public static SortableBindingList<User> usersToBindingList(Dictionary<ulong, User> users)
+        {
+            SortableBindingList<User> bindingList = new SortableBindingList<User>();
+            foreach (User user in users.Values)
+            {
+                bindingList.Add(new User(user));
+            }
+            return bindingList;
+        }
+
+        public static string dateTimeToDatabaseTimestamp(DateTime dateTime)
+        {
+            return dateTime.ToString("yyyy-MM-dd HH:mm:ss");
+        }
+        public static string dateTimeToDatabaseBirthday(DateTime dateTime)
+        {
+            return dateTime.ToString("yyyy-MM-dd");
+        }
+
+        public static bool IsValidEmail(string email)
+        {
+            return emailValidationRegex.Match(email).Success;
+        }
+    }
+}

Mysql-example/bin/Debug/net7.0-windows/Mysql-example.deps.json

@@ -0,0 +1,440 @@
+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v7.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v7.0": {
+      "Mysql-example/1.0.0": {
+        "dependencies": {
+          "MySql.Data": "8.0.33"
+        },
+        "runtime": {
+          "Mysql-example.dll": {}
+        }
+      },
+      "Google.Protobuf/3.21.9": {
+        "runtime": {
+          "lib/net5.0/Google.Protobuf.dll": {
+            "assemblyVersion": "3.21.9.0",
+            "fileVersion": "3.21.9.0"
+          }
+        }
+      },
+      "K4os.Compression.LZ4/1.3.5": {
+        "runtime": {
+          "lib/net6.0/K4os.Compression.LZ4.dll": {
+            "assemblyVersion": "1.3.5.0",
+            "fileVersion": "1.3.5.0"
+          }
+        }
+      },
+      "K4os.Compression.LZ4.Streams/1.3.5": {
+        "dependencies": {
+          "K4os.Compression.LZ4": "1.3.5",
+          "K4os.Hash.xxHash": "1.0.8",
+          "System.IO.Pipelines": "6.0.3"
+        },
+        "runtime": {
+          "lib/net6.0/K4os.Compression.LZ4.Streams.dll": {
+            "assemblyVersion": "1.3.5.0",
+            "fileVersion": "1.3.5.0"
+          }
+        }
+      },
+      "K4os.Hash.xxHash/1.0.8": {
+        "runtime": {
+          "lib/net6.0/K4os.Hash.xxHash.dll": {
+            "assemblyVersion": "1.0.8.0",
+            "fileVersion": "1.0.8.0"
+          }
+        }
+      },
+      "Microsoft.NETCore.Platforms/3.1.0": {},
+      "Microsoft.NETCore.Targets/1.1.0": {},
+      "Microsoft.Win32.SystemEvents/4.7.0": {
+        "dependencies": {
+          "Microsoft.NETCore.Platforms": "3.1.0"
+        }
+      },
+      "MySql.Data/8.0.33": {
+        "dependencies": {
+          "Google.Protobuf": "3.21.9",
+          "K4os.Compression.LZ4.Streams": "1.3.5",
+          "Portable.BouncyCastle": "1.9.0",
+          "System.Buffers": "4.5.1",
+          "System.Configuration.ConfigurationManager": "4.4.1",
+          "System.Runtime.CompilerServices.Unsafe": "6.0.0",
+          "System.Runtime.Loader": "4.3.0",
+          "System.Security.Permissions": "4.7.0",
+          "System.Text.Encoding.CodePages": "4.4.0",
+          "System.Text.Json": "7.0.1",
+          "System.Threading.Tasks.Extensions": "4.5.4"
+        },
+        "runtime": {
+          "lib/net7.0/MySql.Data.dll": {
+            "assemblyVersion": "8.0.33.0",
+            "fileVersion": "8.0.33.0"
+          }
+        },
+        "runtimeTargets": {
+          "runtimes/win-x64/native/comerr64.dll": {
+            "rid": "win-x64",
+            "assetType": "native",
+            "fileVersion": "4.1.0.0"
+          },
+          "runtimes/win-x64/native/gssapi64.dll": {
+            "rid": "win-x64",
+            "assetType": "native",
+            "fileVersion": "4.1.0.0"
+          },
+          "runtimes/win-x64/native/k5sprt64.dll": {
+            "rid": "win-x64",
+            "assetType": "native",
+            "fileVersion": "4.1.0.0"
+          },
+          "runtimes/win-x64/native/krb5_64.dll": {
+            "rid": "win-x64",
+            "assetType": "native",
+            "fileVersion": "4.1.0.0"
+          },
+          "runtimes/win-x64/native/krbcc64.dll": {
+            "rid": "win-x64",
+            "assetType": "native",
+            "fileVersion": "4.1.0.0"
+          }
+        }
+      },
+      "Portable.BouncyCastle/1.9.0": {
+        "runtime": {
+          "lib/netstandard2.0/BouncyCastle.Crypto.dll": {
+            "assemblyVersion": "1.9.0.0",
+            "fileVersion": "1.9.0.1"
+          }
+        }
+      },
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+      "path": "system.windows.extensions/4.7.0",
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+}

Mysql-example/bin/Debug/net7.0-windows/Mysql-example.runtimeconfig.json

@@ -0,0 +1,15 @@
+{
+  "runtimeOptions": {
+    "tfm": "net7.0",
+    "frameworks": [
+      {
+        "name": "Microsoft.NETCore.App",
+        "version": "7.0.0"
+      },
+      {
+        "name": "Microsoft.WindowsDesktop.App",
+        "version": "7.0.0"
+      }
+    ]
+  }
+}

Mysql-example/obj/Debug/net7.0-windows/.NETCoreApp,Version=v7.0.AssemblyAttributes.cs

@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v7.0", FrameworkDisplayName = ".NET 7.0")]

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.AssemblyInfo.cs

@@ -0,0 +1,25 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Dieser Code wurde von einem Tool generiert.
+//     Laufzeitversion:4.0.30319.42000
+//
+//     Änderungen an dieser Datei können falsches Verhalten verursachen und gehen verloren, wenn
+//     der Code erneut generiert wird.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("Mysql-example")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0")]
+[assembly: System.Reflection.AssemblyProductAttribute("Mysql-example")]
+[assembly: System.Reflection.AssemblyTitleAttribute("Mysql-example")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+[assembly: System.Runtime.Versioning.TargetPlatformAttribute("Windows7.0")]
+[assembly: System.Runtime.Versioning.SupportedOSPlatformAttribute("Windows7.0")]
+
+// Von der MSBuild WriteCodeFragment-Klasse generiert.
+

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.AssemblyInfoInputs.cache

@@ -0,0 +1 @@
+daea1fe9d8445c0f60063f3f3c445b4d2178aac4

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.GeneratedMSBuildEditorConfig.editorconfig

@@ -0,0 +1,17 @@
+is_global = true
+build_property.ApplicationManifest = 
+build_property.StartupObject = 
+build_property.ApplicationDefaultFont = 
+build_property.ApplicationHighDpiMode = 
+build_property.ApplicationUseCompatibleTextRendering = 
+build_property.ApplicationVisualStyles = 
+build_property.TargetFramework = net7.0-windows
+build_property.TargetPlatformMinVersion = 7.0
+build_property.UsingMicrosoftNETSdkWeb = 
+build_property.ProjectTypeGuids = 
+build_property.InvariantGlobalization = 
+build_property.PlatformNeutralAssembly = 
+build_property.EnforceExtendedAnalyzerRules = 
+build_property._SupportedPlatformList = Linux,macOS,Windows
+build_property.RootNamespace = Mysql_example
+build_property.ProjectDir = C:\Users\user\source\repos\Mysql-example\Mysql-example\

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.GlobalUsings.g.cs

@@ -0,0 +1,10 @@
+// <auto-generated/>
+global using global::System;
+global using global::System.Collections.Generic;
+global using global::System.Drawing;
+global using global::System.IO;
+global using global::System.Linq;
+global using global::System.Net.Http;
+global using global::System.Threading;
+global using global::System.Threading.Tasks;
+global using global::System.Windows.Forms;

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+4cfdb32dfce3ec30fa98ed1ecc8166a9fd9c8765

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.csproj.FileListAbsolute.txt

@@ -0,0 +1,32 @@
+C:\Users\user\source\repos\Mysql-example\Mysql-example\bin\Debug\net7.0-windows\Mysql-example.exe
+C:\Users\user\source\repos\Mysql-example\Mysql-example\bin\Debug\net7.0-windows\Mysql-example.deps.json
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+      "hashPath": "system.text.json.7.0.1.nupkg.sha512"
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+      "hashPath": "system.threading.tasks.extensions.4.5.4.nupkg.sha512"
+    },
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+      "path": "system.windows.extensions/4.7.0",
+      "hashPath": "system.windows.extensions.4.7.0.nupkg.sha512"
+    }
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+}

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.designer.runtimeconfig.json

@@ -0,0 +1,23 @@
+{
+  "runtimeOptions": {
+    "tfm": "net7.0",
+    "frameworks": [
+      {
+        "name": "Microsoft.NETCore.App",
+        "version": "7.0.0"
+      },
+      {
+        "name": "Microsoft.WindowsDesktop.App",
+        "version": "7.0.0"
+      }
+    ],
+    "additionalProbingPaths": [
+      "C:\\Users\\user\\.dotnet\\store\\|arch|\\|tfm|",
+      "C:\\Users\\user\\.nuget\\packages",
+      "C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\NuGetPackages"
+    ],
+    "configProperties": {
+      "Microsoft.NETCore.DotNetHostPolicy.SetAppPaths": true
+    }
+  }
+}

Mysql-example/obj/Debug/net7.0-windows/Mysql-example.genruntimeconfig.cache

@@ -0,0 +1 @@
+3b62c117ed6a34912b1e26c6f7385a0ec7628a34

Mysql-example/obj/Debug/net7.0-windows/_IsIncrementalBuild

@@ -0,0 +1 @@
+obj\Debug\net7.0-windows\\_IsIncrementalBuild

Mysql-example/obj/Mysql-example.csproj.nuget.dgspec.json

@@ -0,0 +1,77 @@
+{
+  "format": 1,
+  "restore": {
+    "C:\\Users\\user\\source\\repos\\Mysql-example\\Mysql-example\\Mysql-example.csproj": {}
+  },
+  "projects": {
+    "C:\\Users\\user\\source\\repos\\Mysql-example\\Mysql-example\\Mysql-example.csproj": {
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+        "projectName": "Mysql-example",
+        "projectPath": "C:\\Users\\user\\source\\repos\\Mysql-example\\Mysql-example\\Mysql-example.csproj",
+        "packagesPath": "C:\\Users\\user\\.nuget\\packages\\",
+        "outputPath": "C:\\Users\\user\\source\\repos\\Mysql-example\\Mysql-example\\obj\\",
+        "projectStyle": "PackageReference",
+        "fallbackFolders": [
+          "C:\\Program Files (x86)\\Microsoft Visual Studio\\Shared\\NuGetPackages"
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+        "configFilePaths": [
+          "C:\\Users\\user\\AppData\\Roaming\\NuGet\\NuGet.Config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.FallbackLocation.config",
+          "C:\\Program Files (x86)\\NuGet\\Config\\Microsoft.VisualStudio.Offline.config"
+        ],
+        "originalTargetFrameworks": [
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+        "sources": {
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+          "C:\\Program Files\\dotnet\\library-packs": {},
+          "https://api.nuget.org/v3/index.json": {}
+        },
+        "frameworks": {
+          "net7.0-windows7.0": {
+            "targetAlias": "net7.0-windows",
+            "projectReferences": {}
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+            "NU1605"
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+          "targetAlias": "net7.0-windows",
+          "dependencies": {
+            "MySql.Data": {
+              "target": "Package",
+              "version": "[8.0.33, )"
+            }
+          },
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48",
+            "net481"
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+          "assetTargetFallback": true,
+          "warn": true,
+          "frameworkReferences": {
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+              "privateAssets": "none"
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+          },
+          "runtimeIdentifierGraphPath": "C:\\Program Files\\dotnet\\sdk\\7.0.103\\RuntimeIdentifierGraph.json"
+        }
+      }
+    }
+  }
+}

Mysql-example/obj/Mysql-example.csproj.nuget.g.props

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\user\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.4.0</NuGetToolVersion>
+  </PropertyGroup>
+  <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <SourceRoot Include="C:\Users\user\.nuget\packages\" />
+    <SourceRoot Include="C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages\" />
+  </ItemGroup>
+</Project>

Mysql-example/obj/Mysql-example.csproj.nuget.g.targets

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <Import Project="$(NuGetPackageRoot)system.text.json\7.0.1\buildTransitive\net6.0\System.Text.Json.targets" Condition="Exists('$(NuGetPackageRoot)system.text.json\7.0.1\buildTransitive\net6.0\System.Text.Json.targets')" />
+  </ImportGroup>
+</Project>

Mysql-example/obj/project.nuget.cache

@@ -0,0 +1,39 @@
+{
+  "version": 2,
+  "dgSpecHash": "ubpZGaMJD7GOHwBwenSMOctr323bHnhdqBlvN644qmokm5NRe7SViElXbc4/twhSqHa/uhLPVbMDOl1cVAFbCg==",
+  "success": true,
+  "projectFilePath": "C:\\Users\\user\\source\\repos\\Mysql-example\\Mysql-example\\Mysql-example.csproj",
+  "expectedPackageFiles": [
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+    "C:\\Users\\user\\.nuget\\packages\\k4os.compression.lz4.streams\\1.3.5\\k4os.compression.lz4.streams.1.3.5.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\k4os.hash.xxhash\\1.0.8\\k4os.hash.xxhash.1.0.8.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\microsoft.netcore.platforms\\3.1.0\\microsoft.netcore.platforms.3.1.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\microsoft.netcore.targets\\1.1.0\\microsoft.netcore.targets.1.1.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\microsoft.win32.systemevents\\4.7.0\\microsoft.win32.systemevents.4.7.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\mysql.data\\8.0.33\\mysql.data.8.0.33.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\portable.bouncycastle\\1.9.0\\portable.bouncycastle.1.9.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.buffers\\4.5.1\\system.buffers.4.5.1.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.configuration.configurationmanager\\4.4.1\\system.configuration.configurationmanager.4.4.1.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.drawing.common\\4.7.0\\system.drawing.common.4.7.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.io\\4.3.0\\system.io.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.io.pipelines\\6.0.3\\system.io.pipelines.6.0.3.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.reflection\\4.3.0\\system.reflection.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.reflection.primitives\\4.3.0\\system.reflection.primitives.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.runtime\\4.3.0\\system.runtime.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.runtime.compilerservices.unsafe\\6.0.0\\system.runtime.compilerservices.unsafe.6.0.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.runtime.loader\\4.3.0\\system.runtime.loader.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.security.accesscontrol\\4.7.0\\system.security.accesscontrol.4.7.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.security.cryptography.protecteddata\\4.4.0\\system.security.cryptography.protecteddata.4.4.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.security.permissions\\4.7.0\\system.security.permissions.4.7.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.security.principal.windows\\4.7.0\\system.security.principal.windows.4.7.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.text.encoding\\4.3.0\\system.text.encoding.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.text.encoding.codepages\\4.4.0\\system.text.encoding.codepages.4.4.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.text.encodings.web\\7.0.0\\system.text.encodings.web.7.0.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.text.json\\7.0.1\\system.text.json.7.0.1.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.threading.tasks\\4.3.0\\system.threading.tasks.4.3.0.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.threading.tasks.extensions\\4.5.4\\system.threading.tasks.extensions.4.5.4.nupkg.sha512",
+    "C:\\Users\\user\\.nuget\\packages\\system.windows.extensions\\4.7.0\\system.windows.extensions.4.7.0.nupkg.sha512"
+  ],
+  "logs": []
+}

Readme.md

@@ -1,13 +1,18 @@
 ## Tec Stack
-Language: `lang`
+Language: `C#`
-Framework: `none`
+Framework: `Dotnet 7.0 Forms`
-Librarys: `none`
+Database: `Mysql`
 
 ## Description
-Basic Template for a Learning Repo
+A Basic Controll Panel for Users and Addresses
 
 ## Setup 
 
+### Locations
+
+- Database Schema: `/Database/schema.sql`
+- Config: `/Config.cs`
+
 ### On Linux
 
 - step1