partial void DeleteUserImage(UserImage instance);
 partial void UpdateUserImage(UserImage instance);
		private void detach_UserImages(UserImage entity)
		{
			this.SendPropertyChanging();
			entity.User = null;
		}
 partial void InsertUserImage(UserImage instance);
		private void attach_UserImages(UserImage entity)
		{
			this.SendPropertyChanging();
			entity.User = this;
		}