private void detach_Tasks_Tasks1(Tasks_Tasks entity)
		{
			this.SendPropertyChanging();
			entity.Tasks1 = null;
		}
		private void attach_Tasks_Tasks1(Tasks_Tasks entity)
		{
			this.SendPropertyChanging();
			entity.Tasks1 = this;
		}
 partial void UpdateTasks_Tasks(Tasks_Tasks instance);
 partial void DeleteTasks_Tasks(Tasks_Tasks instance);
 partial void InsertTasks_Tasks(Tasks_Tasks instance);