partial void DeleteHOADON(HOADON instance);
partial void UpdateHOADON(HOADON instance);
private void detach_HOADONs(HOADON entity)
{
this.SendPropertyChanging();
entity.KHACHHANG = null;
}
partial void InsertHOADON(HOADON instance);
private void attach_HOADONs(HOADON entity)
{
this.SendPropertyChanging();
entity.KHACHHANG = this;
}