如不产生记录集可用CDatabase.ExecuteSQL();
CDatabase db;
if(!db.IsOpen()||!db.Open(_T("datasource")))
return;
if(!db.CanTransact()||!db.BeginTrans())
return;
try
{
CString strSql="Select Max(num) into myvar from person";
db.ExecuteSQL(strSql);
}
catch(CException,e)
{
db.Rollback();
}
END_CATCH
db.Close();
CDatabase db;
if(!db.IsOpen()||!db.Open(_T("datasource")))
return;
if(!db.CanTransact()||!db.BeginTrans())
return;
try
{
CString strSql="Select Max(num) into myvar from person";
db.ExecuteSQL(strSql);
}
catch(CException,e)
{
db.Rollback();
}
END_CATCH
db.Close();
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货