private void detach_Tags(Tag entity)
		{
			this.SendPropertyChanging();
			entity.Tag1 = null;
		}
		private void attach_Tags(Tag entity)
		{
			this.SendPropertyChanging();
			entity.Tag1 = this;
		}
 partial void UpdateTag(Tag instance);
 partial void DeleteTag(Tag instance);
 partial void InsertTag(Tag instance);