public static City KontrolliereMitDatenbank(City stadt, List<City> städte)
{
foreach (var city in städte)
{
if (stadt.PostalCode.Equals(city.PostalCode) && !stadt.Name.Equals(city.Name) ||
!stadt.PostalCode.Equals(city.PostalCode) && stadt.Name.Equals(city.Name))
{
throw new WrongCityPostalCodeCombination("Stadt mit PLZ: "+city.PostalCode+" Name: "+city.Name+" ist bereits vorhanden.");
}
if (stadt.PostalCode == city.PostalCode && stadt.Name.Equals(city.Name)) return city;
}
return stadt;
}
private City GetCorrespondingItemFromDatabase(City city)
{
return null;
}
public Address()
{
street = "";
streetNumber = "";
city = new City();
}