partial void DeletetbPerson(tbPerson instance);
partial void UpdatetbPerson(tbPerson instance);
private void detach_tbPersons(tbPerson entity)
{
this.SendPropertyChanging();
entity.tbGroup = null;
}
partial void InserttbPerson(tbPerson instance);
private void attach_tbPersons(tbPerson entity)
{
this.SendPropertyChanging();
entity.tbGroup = this;
}