private async void GetCountryList(Action action)
{
CountryProvinces = await DependencyService.Get <IProvinceServices>().GetAsync();
CountryList = CountryProvinces.Select(c => (string)c.CountryName).Distinct().ToList();
action?.Invoke();
}
public async Task <List <string> > GetCountryList()
{
CountryProvinces = await DependencyService.Get <IProvinceServices>().GetAsync();
CountryList = CountryProvinces.Select(c => (string)c.CountryName).Distinct().ToList();
return(CountryList);
}