private void SearchBox_QuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
{
if (sender.Text.Length > 0)
{
SearchResultPanel.StartSearch(Frame, sender.Text);
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
searchtext = e.Parameter.ToString();
SearchBox.Text = searchtext;
SearchResultPanel.StartSearch(Frame, searchtext);
}