title: How to navigate from one page to another in Windows phone 8 using XAML?
body: <p>I am trying to make my first WP8 app but, i got a problem. I try to navigate to another page using the code below, but VS12 throws a error.</p>
  
  <p>What am I doing wrong?</p>
  
  <pre><code>private void btnBMIBereken_Click(object sender, RoutedEventArgs e)
          {
              NavigationService.Navigate(new Uri("/BMI_Bereken.xaml", UriKind.Relative));
          }
  </code></pre>