private void detach_Giays(Giay entity)
{
this.SendPropertyChanging();
entity.HangGiay = null;
}
private void attach_Giays(Giay entity)
{
this.SendPropertyChanging();
entity.HangGiay = this;
}
partial void UpdateGiay(Giay instance);
partial void DeleteGiay(Giay instance);
partial void InsertGiay(Giay instance);