There are records for querying in MySQL, but there is no record for calling Program Execution

1. Select * From chuang_agentinfo where username = 'chengdu '-- query records in the MySQL Tool

2. belowCodeNo table. Row. Count is recorded in the preceding statement.
Mysqlcommand thiscommand = new mysqlcommand ();
Thiscommand. commandtimeout = 0;

// Make sure connection is open
Mysqlconnection con = new mysqlconnection (vstrconn );
Try
{
Con. open ();
Thiscommand. Connection = con;
Thiscommand. commandtext = SQL;

Mysqldataadapter thisadapter = new mysqldataadapter ();
Thisadapter. selectcommand = thiscommand;
Datatable table = new datatable ();
Thisadapter. Fill (table );
Return table;
}

3. The preceding Code queries the records of select * From chuang_agentinfo, which can be found.