Csharp/CSharp Tutorial/XML/RSS

Process RSS

<source lang="csharp">using System; using System.Collections.Generic; using System.Text; using System.Net; using System.Xml; using System.IO; class MainClass {

   static void Main(string[] args)
   {
       WebClient client = new WebClient();
       Stream rssFeedStream = client.OpenRead("http://yourRssFeedURL");
       XmlReader reader = XmlReader.Create(rssFeedStream);
       reader.MoveToContent();
       while (reader.ReadToFollowing("item"))
       {
           ProcessItem(reader.ReadSubtree());
       }
   }
   static void ProcessItem(XmlReader reader)
   {
       reader.ReadToFollowing("title");
       string title = reader.ReadElementContentAsString("title", reader.NamespaceURI);
       reader.ReadToFollowing("link");
       string link = reader.ReadElementContentAsString("link", reader.NamespaceURI);
       Console.WriteLine("{0}\n\t{1}", title, link);
   }

}</source>

Select nodes in RSS

<source lang="csharp">using System; using System.Collections.Generic; using System.Text; using System.Xml; using System.Net; class MainClass {

   static void Main(string[] args)
   {
       WebClient client = new WebClient();
       string rssFeed = client.DownloadString("http://blogs.apress.ru/wp-rss2.php");
       XmlDocument doc = new XmlDocument();
       doc.LoadXml(rssFeed);
       XmlNodeList nodes = doc.SelectNodes("rss/channel/item/title");
       foreach (XmlNode node in nodes)
       {
           Console.WriteLine(node.InnerText);
       }
   }

}</source>