partial void DeleteHDBan(HDBan instance);
partial void UpdateHDBan(HDBan instance);
private void detach_HDBans(HDBan entity) { this.SendPropertyChanging(); entity.KhachHang = null; }
partial void InsertHDBan(HDBan instance);
private void attach_HDBans(HDBan entity) { this.SendPropertyChanging(); entity.KhachHang = this; }