partial void DeleteHD_Comp(HD_Comp instance);
partial void UpdateHD_Comp(HD_Comp instance);
private void detach_HD_Comp(HD_Comp entity)
{
this.SendPropertyChanging();
entity.HD_Contact = null;
}
partial void InsertHD_Comp(HD_Comp instance);
private void attach_HD_Comp(HD_Comp entity)
{
this.SendPropertyChanging();
entity.HD_Contact = this;
}