/**
  * Manages all models.
  */
 public function actionAdmin2()
 {
     $model = new Grade('search');
     $model->unsetAttributes();
     // clear any default values
     if (isset($_GET['Grade'])) {
         $model->attributes = $_GET['Grade'];
     }
     $this->render('admin', array('model' => $model));
     $model = new Modultest('search');
     $model->unsetAttributes();
     // clear any default values
     $model->id_toefl = $idToefl;
     if (isset($_GET['Modultest'])) {
         $model->attributes = $_GET['Modultest'];
     }
     $this->render('admin', array('model' => $model));
 }