private void Button_Click(object sender, RoutedEventArgs e)
{
SortsAndFilters sf = new SortsAndFilters();
List <Song> songList = sf.RetrieveNotOwnedSongs(1);
List <string> songNames = new List <string>();
foreach (Song s in songList)
{
songNames.Add(s.SongName);
}
MessageBox.Show(string.Join("---", songNames));
}
