static void Main(string[] args)
        {
            MySQLConnection conn = new MySQLConnection(new MySQLConnectionString("127.0.0.1","student", "root", "root",3306).AsString);
            conn.Open();
 
            MySQLCommand cmd = new MySQLCommand("select * from stuinfo", conn);
            DbDataReader reader = cmd.ExecuteReader();
            while (reader.Read())
            {
                Console.WriteLine(reader.GetString(0) + " " + reader.GetString(1) + " " + reader.GetString(2) + " " + reader.GetString(3));//读出查询的结果  
            }
            Console.ReadKey();
            reader.Close();
            conn.Close();//关闭连接  
        }