public MainPage() { this.InitializeComponent(); Songs = new ObservableCollection <Song>(); Artists = new ObservableCollection <Artist>(); Albums = new ObservableCollection <Album>(); SongManager.GetAllSongs(Songs); SongManager.GetAllArtist(Artists); //Artists SongManager.GetAllAlbums(Albums); //Albums Features = new List <Feature>(); Features.Add(new Feature { IconFile = "Assets/Icons/Albums.png", Item = FeatureItems.Albums }); Features.Add(new Feature { IconFile = "Assets/Icons/Artists.png", Item = FeatureItems.Artists }); Features.Add(new Feature { IconFile = "Assets/Icons/Playlist.png", Item = FeatureItems.Playlist }); BackButton.Visibility = Visibility.Collapsed; PlayListGridView.Visibility = Visibility.Collapsed; ArtistsGridView.Visibility = Visibility.Collapsed; AlbumsGridView.Visibility = Visibility.Collapsed; MusicFolderPath = ""; }