C#访问（2.0版）

using System;
using System.Data;
using MySql.Data;
using MySql.Data.MySqlClient;
namespace adbdemo
{
    public class Tutorial2
    {
        public static void Main()
        {
            string connStr = "server=...;UID=...;database=...;port=...;password=...;SslMode=none;";

            MySqlConnection conn = new MySqlConnection(connStr);
            try
            {
                Console.WriteLine("Connecting to MySQL...");
                conn.Open();

                string sql = "select c_custkey, c_name from customer limit 1";
                MySqlCommand cmd = new MySqlCommand(sql, conn);
                MySqlDataReader rdr = cmd.ExecuteReader();

                while (rdr.Read())
                {
                    Console.WriteLine(rdr[0] + " --- " + rdr[]);
                }
                rdr.Close();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }

            conn.Close();
            Console.WriteLine("Done.");
        }
    }
}