// Executes when the user navigates to this page.
 protected override void OnNavigatedTo(NavigationEventArgs e)
 {
     Uri uri = null;
     if (!App.Current.IsRunningOutOfBrowser)
     {
         uri = new Uri(Application.Current.Host.Source, "../Services/DatabaseDataService.svc");
         uriContent.Text = uri.ToString();
         _entities = new DataService.Entities(uri);
         ConfigureEntities();
     }
 }
 private void btnLoadContext_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         Uri uri = new Uri("http://"+URLOutOfBrowser.Text + "/Services/DatabaseDataService.svc");
         uriContent.Text = uri.ToString();
         _entities = new DataService.Entities(uri);
         ConfigureEntities();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.ToString(),"Error",MessageBoxButton.OK);
     }
 }