private void detach_ChiTietDonDatHangs(ChiTietDonDatHang entity)
{
this.SendPropertyChanging();
entity.SanPham = null;
}
partial void DeleteChiTietDonDatHang(ChiTietDonDatHang instance);
partial void InsertChiTietDonDatHang(ChiTietDonDatHang instance);
partial void UpdateChiTietDonDatHang(ChiTietDonDatHang instance);
private void attach_ChiTietDonDatHangs(ChiTietDonDatHang entity)
{
this.SendPropertyChanging();
entity.DonDatHang = this;
}