public function actionCreate()
 {
     $model = new Part();
     // Uncomment the following line if AJAX validation is needed
     // $this->performAjaxValidation($model);
     if (isset($_POST['Part'])) {
         $model->attributes = $_POST['Part'];
         if ($model->saveNode()) {
             $this->redirect(array('view', 'id' => $model->id));
         }
     }
     $this->render('create', array('model' => $model));
 }