private void detach_naire_info(naire_info entity)
{
this.SendPropertyChanging();
entity.user_info = null;
}
private void attach_naire_info(naire_info entity)
{
this.SendPropertyChanging();
entity.user_info = this;
}
partial void Updatenaire_info(naire_info instance);
partial void Deletenaire_info(naire_info instance);
partial void Insertnaire_info(naire_info instance);