partial void DeletePost(Post instance);
 partial void UpdatePost(Post instance);
		private void detach_Posts(Post entity)
		{
			this.SendPropertyChanging();
			entity.Author1 = null;
		}
 partial void InsertPost(Post instance);
		private void attach_Posts(Post entity)
		{
			this.SendPropertyChanging();
			entity.Author1 = this;
		}