protected override bool isValid(out string exceptionMessage)
{
if (name.Length == 0) {
return makeExceptionMessage (out exceptionMessage, "The name of the city is invalid");
}
if (!validCountry (country, out exceptionMessage)) {
return false;
}
CountryRequest cor = new CountryRequest ();
string countryName = cor.fetchFromID (country) [0].name;
CityRequest cr = new CityRequest ();
if (cr.fetchFromNameAndCountry (name, countryName).Count () != 0) {
return makeExceptionMessage (out exceptionMessage, "The name of the city already exists for a city in the country " + countryName);
}
return makeExceptionMessage(out exceptionMessage);
}
