public async void Init() { try { deliveryMethods = new ObservableCollection <DeliveryMethod>(); IEnumerable <DeliveryMethod> getObjects = await _pharmacyService.GetDeliveryMethods(); foreach (DeliveryMethod o in getObjects) { deliveryMethods.Add(o); } } catch (Exception e) { await CoreMethods.DisplayAlert("", Convert.ToString(e), "Ok"); } }