partial void DeleteMusicXTag(MusicXTag instance);
 partial void UpdateMusicXTag(MusicXTag instance);
		private void detach_MusicXTag(MusicXTag entity)
		{
			this.SendPropertyChanging();
			entity.Tag = null;
		}
 partial void InsertMusicXTag(MusicXTag instance);
		private void attach_MusicXTag(MusicXTag entity)
		{
			this.SendPropertyChanging();
			entity.Tag = this;
		}