/**
  * Creates a new Donthuoc model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new Donthuoc();
     $model1 = '';
     if (!empty($_GET['benhan'])) {
         $model1 = Donthuoc::find()->where(['maBA' => $_GET['benhan']])->one();
         $model->maBA = $_GET['benhan'];
     }
     if (!empty($model1)) {
         return $this->redirect(['update', 'id' => $model1->id]);
     }
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         return $this->redirect(['view', 'id' => $model->id]);
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }