private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            setGameId();
            setMovieId();

            if (lstMovies.SelectedIndex != -1 && movMgr.AddMoviesToKiosk(movieId) == true)
            {
                try
                {
                    MessageBox.Show(movieSelection.Title + " has been added to the kiosk");
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            }
            else if (lstGames.SelectedIndex != -1 && gamMgr.AddGamesToKiosk(gameId) == true)
            {
                try
                {
                    MessageBox.Show(gameSelection.Title + " has been added to the kiosk");
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            }
        }