InitializeComponent();
            ((StartViewModel)this.BindingContext).RefreshCommand.Execute(null);

            ListviewOrders.ItemSelected += (object sender, SelectedItemChangedEventArgs e) =>
            {
                var dlg = ServiceLocator.Current.GetInstance<IDialogService>();
                dlg.ShowMessage(((Order) e.SelectedItem).OrdName, "Cast a JSON object");
            };