partial void DeletePollElement(PollElement instance);
 partial void UpdatePollElement(PollElement instance);
		private void detach_PollElements(PollElement entity)
		{
			this.SendPropertyChanging();
			entity.Poll = null;
		}
 partial void InsertPollElement(PollElement instance);
		private void attach_PollElements(PollElement entity)
		{
			this.SendPropertyChanging();
			entity.Poll = this;
		}