private async Task LoadData()
        {
            try
            {
                this.IsBusy = true;

                /*
                 * UserDialogs.Instance.Toast(new ToastConfig("TOAST") {
                 *  Message = "HAI CANCELLATO",
                 *  Action = new ToastAction() {
                 *      Action = new Action(() => {
                 *          DisplayAlert("TITLE", "messagggio2", "OK");
                 *      })
                 *  }
                 * });
                 */

                // UserDialogs.Instance.ShowLoading();

                ListViewElementi.ItemsSource = await _webApiProxy.GetAll();

                // var result = await DisplayActionSheet("TITLE", "CANCEL", "DISRUGGI", "UNO", "DUE", "TRE");
            }
            catch (Exception ex)
            {
                this.IsBusy = false;
                await DisplayAlert("", ex.Message, "OK");
            }
            finally
            {
                // UserDialogs.Instance.HideLoading();
                this.IsBusy = false;
            }
        }