private void detach_Projects_Tasks(Projects_Tasks entity)
		{
			this.SendPropertyChanging();
			entity.Tasks = null;
		}
		private void attach_Projects_Tasks(Projects_Tasks entity)
		{
			this.SendPropertyChanging();
			entity.Tasks = this;
		}
 partial void UpdateProjects_Tasks(Projects_Tasks instance);
 partial void DeleteProjects_Tasks(Projects_Tasks instance);
 partial void InsertProjects_Tasks(Projects_Tasks instance);