public async Task <long> AddAddressAsync(Address address)
{
ValidateNotNull(address);
await ValidateUniqueId(_addressDao, address.Id);
if (address.City != null && address.CityId <= 0)
{
address.CityId = address.City.Id;
}
await ValidateId(_cityDao, address.CityId);
return((await _addressDao.FluentInsert(address).ExecuteAsync()).FirstOrDefault());
}