public async Task GetRouteStopsAsync() { if (IsBusy) { return; } try { var client = new HttpClient(); var json = await client.GetStringAsync("https://catchall02.azurewebsites.net/tables/geolocationobject?ZUMO-API-VERSION=2.0.0"); var all = RouteStop.FromJson(json); RouteStops.ReplaceRange(all); Title = $"Route Stops ({RouteStops.Count})"; } catch (System.Exception ex) { await Application.Current.MainPage.DisplayAlert("Error", "Something went wrong", "Cancel"); } finally { IsBusy = false; } }