partial void DeleteJobShift(JobShift instance);
 partial void UpdateJobShift(JobShift instance);
		private void detach_JobShifts(JobShift entity)
		{
			this.SendPropertyChanging();
			entity.Job1 = null;
		}
 partial void InsertJobShift(JobShift instance);
		private void attach_JobShifts(JobShift entity)
		{
			this.SendPropertyChanging();
			entity.Job1 = this;
		}