private void CountriesList_SelectedIndexChanged(object sender, EventArgs e)
{
var picker = sender as Picker;
if (picker == null)
{
return;
}
int selected = picker.SelectedIndex;
var sel = picker.Items[selected];
Country country = Countries.FindLast(x => x.caption.Contains(sel));
this.country_id = country.id;
// CitiesList.ItemsSource = Cities;
CitiesEntry.IsEnabled = true;
//if (country_id)
//s CitiesEntry.IsVisible = true;
}