partial void DeleteContactReceiver_ContactType(ContactReceiver_ContactType instance);
partial void UpdateContactReceiver_ContactType(ContactReceiver_ContactType instance);
private void detach_ContactReceiver_ContactTypes(ContactReceiver_ContactType entity) { this.SendPropertyChanging(); entity.ContactType = null; }
partial void InsertContactReceiver_ContactType(ContactReceiver_ContactType instance);
private void attach_ContactReceiver_ContactTypes(ContactReceiver_ContactType entity) { this.SendPropertyChanging(); entity.ContactReceiver = this; }