partial void DeleteHd(Hd instance);
partial void UpdateHd(Hd instance);
private void detach_Hds(Hd entity)
{
this.SendPropertyChanging();
entity.Kh = null;
}
partial void InsertHd(Hd instance);
private void attach_Hds(Hd entity)
{
this.SendPropertyChanging();
entity.Kh = this;
}