title: AutoSuggestBox.SelectedItem is not working
body: <p>For AutoSuggestBox Selected item is Enabled in _SuggestionChosen event, but in "getitemselected()" method selected item is not working, in WP8.1.</p>
  
  <p>In XAML File:</p>
  
  <pre><code>&lt;AutoSuggestBox x:Name="tblkpersonname" Width="380" Margin="0,-7,0,0" ItemsSource="{Binding}" SuggestionChosen="tblkpersonname_SuggestionChosen"&gt;
        &lt;AutoSuggestBox.ItemTemplate&gt;
             &lt;DataTemplate&gt;
                 &lt;TextBlock Text="{Binding Name}"
                            Tag="{Binding PersonID}"/&gt;
             &lt;/DataTemplate&gt;
        &lt;/AutoSuggestBox.ItemTemplate&gt;
  &lt;/AutoSuggestBox&gt;
  </code></pre>
  
  <p>In Cs File:</p>
  
  <pre><code>private void tblkpersonname_SuggestionChosen(AutoSuggestBox sender,   AutoSuggestBoxSuggestionChosenEventArgs args)
     {
       System.Diagnostics.Debug.WriteLine("Suggestion chosen : {0}", ((values)args.SelectedItem).Name);         
     }
  
  public void getitemselected()
      {
       //Error in this line when select item from AutoSuggestBox
       //Here values is the one of the class
        if (((values)tblkpersonname.SelectedItem) != null)
         {
            //Some Statements
         }
      }
  </code></pre>