c# conexion MySQL

using MySql.Data.MySqlClient;
using System.Collections;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] registro;
            //List<string> list = new List<string>(); 
            ArrayList list = new ArrayList();

            string connStr = "Server=localhost;Database=test;Uid=root;Pwd=";
            
            MySqlConnection conn = new MySqlConnection(connStr);
            conn.Open();

            string commandStr = "SELECT usr_id, usr_nick FROM users";
            MySqlCommand command = new MySqlCommand(commandStr, conn);

            MySqlDataReader reader = command.ExecuteReader();

            while (reader.Read())
            {
                registro = new string[2];
                registro[0] = reader.GetString("usr_id");
                registro[1] = reader.GetString("usr_nick");
                //registro[2] = reader.GetString(2);
                //registro[3] = reader.GetString(3);

                //Se agrega el registro a la lista
                list.Add(registro);
            }

            //Se cierra el Reader
            reader.Close();

            //Se cierra la conexión
            conn.Close();

            Console.WriteLine("sdf");
            Console.ReadLine();
        }
    }
}