partial void DeletetDealCity(tDealCity instance);
partial void UpdatetDealCity(tDealCity instance);
private void detach_tDealCities(tDealCity entity) { this.SendPropertyChanging(); entity.tCategory = null; }
partial void InserttDealCity(tDealCity instance);
private void attach_tDealCities(tDealCity entity) { this.SendPropertyChanging(); entity.tDeal = this; }