private void detach_WorkPackageDescriptions(WorkPackageDescription entity)
		{
			this.SendPropertyChanging();
			entity.Project = null;
		}
 partial void DeleteWorkPackageDescription(WorkPackageDescription instance);
 partial void InsertWorkPackageDescription(WorkPackageDescription instance);
 partial void UpdateWorkPackageDescription(WorkPackageDescription instance);
		private void attach_WorkPackageDescriptions(WorkPackageDescription entity)
		{
			this.SendPropertyChanging();
			entity.Employee = this;
		}