public async void Search()
{
if (SearchText != String.Empty)
{
AllCountries =
new ObservableCollection <Country>(
AllCountries
.Where(x => x.ID.Contains(_searchText) || x.CurrencyID.Contains(SearchText))
.ToList());
}
else
{
await LoadCountries();
}
}
public IEnumerable <ProvinceModel> GetAllProvinces()
{
return(BuildProvinceCollection(AllCountries.Where(x => x.Provinces.Any())));
}