private void Btn_ShowRooms_Tapped(object sender, TappedRoutedEventArgs e)
        {
            Frame_Main.Visibility = Visibility.Visible;
            Lbl_Time.Visibility   = Visibility.Collapsed;
            Lbl_Date.Visibility   = Visibility.Collapsed;

            Pages.Page_Room ShowRoom = new Pages.Page_Room();
            Frame_Main.Navigate(ShowRoom.GetType());
        }
        private void Btn_ShowRooms_Tapped(object sender, TappedRoutedEventArgs e)
        {
            Frame_Main.Visibility = Visibility.Visible;
            Lbl_Time.Visibility = Visibility.Collapsed;
            Lbl_Date.Visibility = Visibility.Collapsed;

            Pages.Page_Room ShowRoom = new Pages.Page_Room();
            Frame_Main.Navigate(ShowRoom.GetType());
        }