database connection working

Database.cs

@@ -1,20 +1,41 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
+using MySql.Data;
-using System.Text;
+using MySql.Data.MySqlClient;
-using System.Threading.Tasks;
-using System.Data.Common;
-using System.Data.Entity;
 
 namespace it_projekt
 {
-    class Database : DbContext
+    class Database
     {
-        public virtual DbSet<Person> persons { get; set; }
+        public List<Person> Persons { get; set; }
-        public Database(String connectionString)
+        public Database(String username, String password)
-        : base(connectionString)
         {
+            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.");
         }
     }
 }

Form1.cs

@@ -36,8 +36,8 @@ namespace it_projekt
 
         public static void LoadUsersFromTable(string user, string password)
         {   
-            Database test = new Database(user, password);
+            Database db = new Database(user, password);
-            MessageBox.Show(test.Person.Firstname);
+            MessageBox.Show(db.Persons.ToString());
         }
 
         private void dataGrid_CellContentClick(object sender, DataGridViewCellEventArgs e)