private void Button2D_Click(object sender, RoutedEventArgs e)
        {
            DashboardPage dp = new DashboardPage();

            this.NavigationService.Navigate(dp);
        }
 private void Button2D_Click(object sender, RoutedEventArgs e)
 {
     DashboardPage dp = new DashboardPage();
     this.NavigationService.Navigate(dp);
 }