XML : read rss feed and put the result of each url in item of pivot in UWP

i want to read rss feed from different resources and then display each result in different item of a pivot ... so the resul i got so far is creating a pivot separately ... and parsing data from one rss feed ... and i'm stuck right now .. any help please ... here is my c# code for parsing data My main page .cs

  public RSShelperClass helperRSS = new RSShelperClass();          public MainPage()          {              this.InitializeComponent();            }              private void feedClick_Click(object sender, RoutedEventArgs e)          {              helperRSS.Go(ref Display, Value.Text);            }    

my helper class

   public  class RSShelperClass      {          private async void load(ItemsControl list, Uri uri)          {              SyndicationClient client = new SyndicationClient();              SyndicationFeed feed = await client.RetrieveFeedAsync(uri);              if (feed != null)              {                  foreach (SyndicationItem item in feed.Items)                  {                      list.Items.Add(item);                  }              }          }            public void Go(ref ItemsControl list, string value)          {                    try                  {                      load(list, new Uri(value));                  }                  catch                  {                    }                  list.Focus(FocusState.Keyboard);            }      }