private void detach_WorkItems(WorkItem entity)
		{
			this.SendPropertyChanging();
			entity.Release = null;
		}
 partial void DeleteWorkItem(WorkItem instance);
 partial void UpdateWorkItem(WorkItem instance);
		private void attach_WorkItems(WorkItem entity)
		{
			this.SendPropertyChanging();
			entity.Release = this;
		}
 partial void InsertWorkItem(WorkItem instance);