private async void OnFrameInserviceInfoTapped(object sender, System.EventArgs e)
        {
            Frame frame = sender as Frame;

            Models.OperatorQueueListResponse response = frame.BindingContext as Models.OperatorQueueListResponse;
            Helper.Helper.QueueGuestId = response.Id;
            await Navigation.PushAsync(new InServicesGuestDetailPage());
        }
        private async void OnInserviceInfoButtonClicked(object sender, System.EventArgs e)
        {
            Button button = sender as Button;

            Models.OperatorQueueListResponse response = button.BindingContext as Models.OperatorQueueListResponse;
            Helper.Helper.QueueGuestId = response.Id;
            await Navigation.PushAsync(new InServicesGuestDetailPage());
        }
        private async void OnGridWaitingListTapped(object sender, System.EventArgs e)
        {
            Grid gridWaitingList = sender as Grid;

            Models.OperatorQueueListResponse response = gridWaitingList.BindingContext as Models.OperatorQueueListResponse;
            Helper.Helper.QueueGuestId = response.Id;
            await Navigation.PushAsync(new WaitingGuestServicesDetailPage());
        }