partial void Deleteuser_email(user_email instance);
partial void Updateuser_email(user_email instance);
private void detach_user_emails(user_email entity)
{
this.SendPropertyChanging();
entity.sns_user = null;
}
partial void Insertuser_email(user_email instance);
private void attach_user_emails(user_email entity)
{
this.SendPropertyChanging();
entity.sns_user = this;
}
