/**
  * Returns the data model based on the primary key given in the GET variable.
  * If the data model is not found, an HTTP exception will be raised.
  * @param integer $id the ID of the model to be loaded
  * @return Modultest the loaded model
  * @throws CHttpException
  */
 public function loadModel($id)
 {
     $model = Modultest::model()->findByPk($id);
     if ($model === null) {
         throw new CHttpException(404, 'The requested page does not exist.');
     }
     return $model;
 }
 /**
  * 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));
 }