partial void DeleteHoaDon(HoaDon instance);
partial void UpdateHoaDon(HoaDon instance);
private void detach_HoaDons(HoaDon entity)
{
this.SendPropertyChanging();
entity.Ban = null;
}
partial void InsertHoaDon(HoaDon instance);
private void attach_HoaDons(HoaDon entity)
{
this.SendPropertyChanging();
entity.Ban = this;
}