private void detach_ChiTietDonHangs(ChiTietDonHang entity)
{
this.SendPropertyChanging();
entity.DonHang = null;
}
private void attach_ChiTietDonHangs(ChiTietDonHang entity)
{
this.SendPropertyChanging();
entity.DonHang = this;
}
partial void UpdateChiTietDonHang(ChiTietDonHang instance);
partial void DeleteChiTietDonHang(ChiTietDonHang instance);
partial void InsertChiTietDonHang(ChiTietDonHang instance);