C#操作MYSQL数据库

/// 数据库连接字符串
        public string MysqlConnString = "server=****;User Id=***;password=***;Database=****;";
        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="Mysql_SQL">查询语句</param>
        /// <returns></returns>
        public DataSet Quety(string Mysql_SQL)
        {
            //数据库连接器,创建数据库连接.
            MySqlConnection Mysqlconnce = new MySqlConnection(MysqlConnString);
            //数据库命名对象,指定要执行sql语句与连接对象conn.参数1：SQL操作语句，参数2：数据库连接.
            MySqlDataAdapter mysqlDa = new MySqlDataAdapter(Mysql_SQL, Mysqlconnce);
            //实例化数据集.
            DataSet ds = new DataSet();
            //将数据适配器中的数据填充到数据集.
            mysqlDa.Fill(ds);
            return ds;
        }
        /// <summary>
        /// 操作
        /// </summary>
        /// <param name="Mysql_SQL">操作语句</param>
        /// <returns></returns>
        public int Operation(string Mysql_SQL)
        {
            //数据库连接器,创建数据库连接.
            MySqlConnection Mysqlconnce = new MySqlConnection(MysqlConnString);
            //数据库命名对象,指定要执行sql语句与连接对象conn.参数1：SQL操作语句，参数2：数据库连接.
            MySqlCommand mysqlComm = new MySqlCommand(Mysql_SQL, Mysqlconnce);
            //打开数据库
            Mysqlconnce.Open();
            //执行,返回影响行数
            int rows = mysqlComm.ExecuteNonQuery();
            //关闭数据库
            Mysqlconnce.Close();
            return rows;
        }