private void detach_DemandMoneys(DemandMoney entity)
		{
			this.SendPropertyChanging();
			entity.Demand = null;
		}
		private void attach_DemandMoneys(DemandMoney entity)
		{
			this.SendPropertyChanging();
			entity.Demand = this;
		}
 partial void UpdateDemandMoney(DemandMoney instance);
 partial void DeleteDemandMoney(DemandMoney instance);
 partial void InsertDemandMoney(DemandMoney instance);