function _valid_perform(&$request, &$response)
 {
     parent::_valid_perform($request, $response);
     if ($request->is_success()) {
         $response->reload();
     }
 }
 function _valid_perform()
 {
     $response = parent::_valid_perform();
     if ($response->is_success()) {
         return new redirect_response($response->get_status());
     }
     return $response;
 }
 function _valid_perform()
 {
     if (parent::_valid_perform()) {
         reload();
     }
 }