function ExecuteProc($procname, $params = '')
 {
     App::LoadDataClass("MySQLDatabase.php");
     $mydb = new MySQLDatabase($this->ConnString);
     $mydb->Open();
     $result = $mydb->ExecuteProc($procname, $params);
     $mydb->Close();
     if ($mydb->getError()) {
         $this->setError($mydb->getError());
     }
     return $result;
 }