partial void DeleteBatDongSan(BatDongSan instance);
partial void UpdateBatDongSan(BatDongSan instance);
private void detach_BatDongSans(BatDongSan entity)
{
this.SendPropertyChanging();
entity.LoaiBD = null;
}
partial void InsertBatDongSan(BatDongSan instance);
private void attach_BatDongSans(BatDongSan entity)
{
this.SendPropertyChanging();
entity.KhachHang = this;
}