public class RssData
        {   
            public string title { get; set; }
            public string description { get; set;}
            public string link { get; set; }
            public DateTime pubDate { get; set; }
            public string source { get; set; }
        }
 
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            WebClient cli = new WebClient();
            Uri url = new Uri(linkbox.Text.ToString());
            cli.DownloadStringCompleted += new DownloadStringCompletedEventHandler(cli_DownLoadStringCompleted);
            cli.DownloadStringAsync(url);
        }
 
        private void cli_DownLoadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
        {
           XDocument xdoc = XDocument.Parse(e.Result,LoadOptions.None);
 
            var rssFeed = from story in xdoc.Descendants("item")
                          select new RssData
                          {
                              title = (story.Element("title").Value.ToString()),
 
                              description = StripHTML(((string)story.Element("description"))),
                              link = (string)story.Element("link"),
                              pubDate = (DateTime)story.Element("pubDate"),
source=(string)story.Element("link").Parent.Element("title")
 
 
                          };
            Array ase= rssFeed.ToArray(); 
 
            datag.ItemsSource = ase;
        }

Console.WriteLine(XDocument.Parse(e.Result));