SqlServer和MySQL中存储过程out返回值处理C#代码

  #region"SqlServer中存储过程处理out返回值"
        //public void getdata()
        //{
        //    string str = " server=192.168.xxxx ;user id=xxx;password=xxxxx@#;database=xxxxx_db;min pool size=4;max pool size=4;packet size=3072";
        //    SqlConnection conn = new SqlConnection(str);
        //    conn.Open();

        //    SqlCommand cmd = new SqlCommand();
        //    cmd.CommandType = CommandType.StoredProcedure;
        //    cmd.CommandText = "sp_xxxxxx";
        //    cmd.Parameters.Add("@xxxx", SqlDbType.Int);
        //    //注意输出参数要设置大小,否则size默认为0,
        //    cmd.Parameters.Add("@FLAG", SqlDbType.Int);
        //    //设置参数的类型为输出参数,默认情况下是输入,
        //    cmd.Parameters["@FLAG"].Direction = ParameterDirection.Output;
        //    //为参数赋值
        //    cmd.Parameters["@xxxx"].Value = 81;
        //    cmd.Connection = conn;
        //    //执行
        //    cmd.ExecuteNonQuery();
        //    //得到输出参数的值,把赋值给name,注意,这里得到的是object类型的,要进行相应的类型轮换
        //    string  name = cmd.Parameters["@FLAG"].Value.ToString();

        //    Response.Write(name);

        //}
        #endregion

 #region"MySQL中存储过程处理out返回值"
        /*
        public void getdata()
        {
            string str = "Server=192.168.xxx;Database=xxxxx_db; port=xxxx;user id=xxxxx;password=  providerName=MySql.Data.MySqlClient";
            MySqlConnection  conn = new MySqlConnection (str);
            conn.Open();

            MySqlCommand cmd = new MySqlCommand();
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.CommandText = "sp_xxxxx";
            cmd.Parameters.Add("_xxxx", MySqlDbType.Int32, 11);
            //注意输出参数要设置大小,否则size默认为0,
            cmd.Parameters.Add("_FLAG", MySqlDbType.Int32, 11);
            //设置参数的类型为输出参数,默认情况下是输入,
            cmd.Parameters["_FLAG"].Direction = ParameterDirection.Output;
            //为参数赋值
            cmd.Parameters["_xxxxx"].Value = 81;
            cmd.Connection = conn;
            //执行
            cmd.ExecuteNonQuery();
            //得到输出参数的值,把赋值给name,注意,这里得到的是object类型的,要进行相应的类型轮换
            string name = cmd.Parameters["_FLAG"].Value.ToString();

            Response.Write(name);

        }*/