C# Debian MySQL Server - Zugriff mit Programm in c#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.SqlClient;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            // create an open the connection
            SqlConnection conn =
               new SqlConnection("Data Source=testserver;"
                  + "User ID=testuser;Password=abcdefghijk");

            conn.Open();

            // create a SqlCommand object for this connection
            SqlCommand command = conn.CreateCommand();
            command.CommandText = "Select * from Customers";
            command.CommandType = CommandType.Text;

            // execute the command that returns a SqlDataReader
            SqlDataReader reader = command.ExecuteReader();

            // display the results
            while (reader.Read())
            {
                string output = reader["CompanyName"].ToString();
                Console.WriteLine(output);
            }

            // close the connection
            reader.Close();
            conn.Close();
        }
    }
}