public function DeleteCatAction()
 {
     $request = Project::getRequest();
     if ($request->getKeyByNumber(0) > 0) {
         $model = new QuestionCatModel();
         $model->delete((int) $request->getKeyByNumber(0));
     }
     Project::getResponse()->Redirect($request->createUrl('AdminQuestionAnswer', 'CatList'));
 }