partial void DeleteBillDemandDistribution(BillDemandDistribution instance);
partial void UpdateBillDemandDistribution(BillDemandDistribution instance);
private void detach_BillDemandDistributions(BillDemandDistribution entity) { this.SendPropertyChanging(); entity.BillDemand = null; }
partial void InsertBillDemandDistribution(BillDemandDistribution instance);
private void attach_BillDemandDistributions(BillDemandDistribution entity) { this.SendPropertyChanging(); entity.Demand = this; }