partial void DeleteTrackGenre(TrackGenre instance);
 partial void UpdateTrackGenre(TrackGenre instance);
		private void detach_TrackGenres(TrackGenre entity)
		{
			this.SendPropertyChanging();
			entity.Track = null;
		}
 partial void InsertTrackGenre(TrackGenre instance);
		private void attach_TrackGenres(TrackGenre entity)
		{
			this.SendPropertyChanging();
			entity.Track = this;
		}