From 65f1e74db8f99ce89fc2ca956b29b81de81a5963 Mon Sep 17 00:00:00 2001
From: Felix <felix@ffhartmann.de>
Date: Mon, 9 May 2022 14:20:09 +0200
Subject: [PATCH] database connection working

---
 Database.cs | 61 +++++++++++++++++++++++++++++++++++------------------
 Form1.cs    |  4 ++--
 2 files changed, 43 insertions(+), 22 deletions(-)

diff --git a/Database.cs b/Database.cs
index ea63cae..1b00e37 100644
--- a/Database.cs
+++ b/Database.cs
@@ -1,20 +1,41 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Data.Common;
-using System.Data.Entity;
-
-namespace it_projekt
-{
-    class Database : DbContext
-    {
-        public virtual DbSet<Person> persons { get; set; }
-        public Database(String connectionString)
-        : base(connectionString)
-        {
-
-        }
-    }
-}
+using System;
+using System.Collections.Generic;
+using MySql.Data;
+using MySql.Data.MySqlClient;
+
+namespace it_projekt
+{
+    class Database
+    {
+        public List<Person> Persons { get; set; }
+        public Database(String username, String password)
+        {
+            string connectionString = "server=localhost;port=3306;database=stammdaten;User Id=" + username + ";Password=" + password + ";";
+            MySqlConnection connection = new MySqlConnection(connectionString);
+            try
+            {
+                Console.WriteLine("Connecting to MySQL...");
+                connection.Open();
+
+                string sql = "SELECT * FROM stammdaten";
+                MySqlCommand cmd = new MySqlCommand(sql, connection);
+                MySqlDataReader rdr = cmd.ExecuteReader();
+                Persons = new List<Person>();
+                while (rdr.Read())
+                {
+                    Person p = new Person(rdr[0].ToString(), rdr[1].ToString(), rdr[2].ToString(), DateTime.Parse(rdr[3].ToString()));
+                    Persons.Add(p);
+
+                }
+                rdr.Close();
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.ToString());
+            }
+
+            connection.Close();
+            Console.WriteLine("Done.");
+        }
+    }
+}
diff --git a/Form1.cs b/Form1.cs
index d170eaa..b956114 100644
--- a/Form1.cs
+++ b/Form1.cs
@@ -36,8 +36,8 @@ namespace it_projekt
 
         public static void LoadUsersFromTable(string user, string password)
         {   
-            Database test = new Database(user, password);
-            MessageBox.Show(test.Person.Firstname);
+            Database db = new Database(user, password);
+            MessageBox.Show(db.Persons.ToString());
         }
 
         private void dataGrid_CellContentClick(object sender, DataGridViewCellEventArgs e)