public Airport VObject(Airport airport, IAirportService _airportService) { Airport oldairport = _airportService.GetObjectById(airport.Id); if (oldairport == null) { airport.Errors.Add("Generic", "Invalid Data For Update"); } else if (!VOffice(airport.OfficeId, oldairport.OfficeId)) { airport.Errors.Add("Generic", "Invalid Data For Update"); } return(airport); }