public MainWindow() { InitializeComponent(); // musicLib = new MusicLib(); musicLib.PrintAllTables(); DataTable table = musicLib.Songs; // Bind the data source dataGrid.ItemsSource = table.DefaultView; List <string> playlists = new List <string>(); playlists.Add("All Music"); playlists.AddRange(musicLib.Playlists); playlistName = "All Music"; playlistList.ItemsSource = playlists; }