public function actionAjaxLinkDetail()
 {
     $this->layout = false;
     $id = Yii::$app->request->get("id");
     $type = Yii::$app->request->get("type");
     if ($type == 3) {
         $model = WirelessDeviceLink::findOne($id);
     } else {
         $model = DeviceLink::findOne($id);
     }
     return $this->render('link-detail', ["model" => $model]);
 }