private void InfoRoom(object sender, RoutedEventArgs e)
 {
     if (Hotel.IsRoom != null)
     {
         InfoEnterRoomAdmin IERA = new InfoEnterRoomAdmin();
         IERA.Show();
     }
 }
        private void InfoRoom(object sender, RoutedEventArgs e)
        {
            InfoEnterRoomAdmin IERA = new InfoEnterRoomAdmin();

            IERA.Show();
        }