//Add the song to the selected playlist and close
private void AddToPlaylist_Click(object sender, RoutedEventArgs e)
{
if (_mainWindow.SongDataGrid.SelectedItem != null && ChoosePlaylist.SelectedIndex != -1)
{
Song SelectedSong = (Song)_mainWindow.SongDataGrid.SelectedItem;
Playlist SelectedPlaylist = (Playlist)ChoosePlaylist.SelectedItem;
_sqlAccess.AddSongToPlaylist(SelectedSong.S_Id, SelectedPlaylist.P_Id);
Dispatcher.BeginInvoke(new Action(delegate()
{
_songList = _sqlAccess.GetSongsForUser(_userId);
_mainWindow.SongDataGrid.ItemsSource = _songList;
_playlistList = _sqlAccess.GetPlaylistsForUser(_userId);
_mainWindow.PlaylistBox.ItemsSource = _playlistList;
}));
this.Close();
}
}