function setUserDateTotalID($id)
 {
     $id = trim($id);
     $udtlf = new UserDateTotalListFactory();
     if ($id == 0 or $this->Validator->isResultSetWithRows('user_date_total', $udtlf->getByID($id), TTi18n::gettext('User Date Total ID is invalid'))) {
         $this->data['user_date_total_id'] = $id;
         return TRUE;
     }
     return FALSE;
 }