private async void fillLista() { try { UseManager manager = new UseManager(); var result = await manager.listarServidoresDes(); servidores = result; if (result != null) { lstUsuarios.ItemsSource = result; } } catch (Exception e1) { await DisplayAlert("Error en Lista", "Favor vuelva a cargar Servidor no listo", "Aceptar"); Console.WriteLine(e1.Message.ToString()); } }