public function actionView($id)
 {
     $user = $this->findModel($id);
     $dp = new ActiveDataProvider(['query' => UserRequirement::find()->where(['user_id' => $id])]);
     $form = new AddUserRequirementForm();
     $form->user_id = $id;
     if ($form->load(Yii::$app->request->post())) {
         $form->addUserRequirement();
     }
     return $this->render('view', ['model' => $user, 'dp' => $dp, 'form' => $form]);
 }