partial void DeleteContacts(Contacts instance);
partial void UpdateContacts(Contacts instance);
private void detach_Contacts(Contacts entity)
{
this.SendPropertyChanging();
entity.Telephone = null;
}
partial void InsertContacts(Contacts instance);
private void attach_Contacts(Contacts entity)
{
this.SendPropertyChanging();
entity.Telephone = this;
}
