partial void DeleteArtist(Artist instance);
 partial void UpdateArtist(Artist instance);
		private void detach_Artists(Artist entity)
		{
			this.SendPropertyChanging();
			entity.Image = null;
		}
 partial void InsertArtist(Artist instance);
		private void attach_Artists(Artist entity)
		{
			this.SendPropertyChanging();
			entity.Image = this;
		}