partial void DeleteDeliveryChallanItem(DeliveryChallanItem instance);
partial void InsertDeliveryChallanItem(DeliveryChallanItem instance);
partial void UpdateDeliveryChallanItem(DeliveryChallanItem instance);
private void detach_DeliveryChallanItems(DeliveryChallanItem entity) { this.SendPropertyChanging(); entity.DeliveryChallan = null; }