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;
}