public function actionUpdatepersonalinfo($pi_id)
 {
     $model = new PersonalInformation();
     if ($model->load(\Yii::$app->getRequest()->getBodyParams(), '')) {
         $result = \Yii::$app->getRequest()->getBodyParams();
         $personal = PersonalInformation::findOne($pi_id);
         if (PersonalInformation::updateAll($result, ['pi_id' => $pi_id])) {
             return true;
         } else {
             return false;
         }
     }
 }