C#访问mySQL提示“此结构不得为值类”
环境:vs2010,使用MySQLDriverCS访问mySQL
代码:
string sqlString = "select * from TB";
MySQLConnection sqlConn = new MySQLConnection(new MySQLConnectionString("IP地址","数据库","用户名","密码"));
sqlConn.Open();
MySQLDataAdapter sqlAda = new MySQLDataAdapter(sqlString,sqlConn);
DataSet ds = new DataSet();
sqlAda.Fill(ds,"myTable");//该句出错,提示信息为:捕捉到ArgumentException 此结构不得为值类 参数名:structure