1: using System;

   2: using System.Collections.Generic;

   3: using System.Text;

   4: using System.Xml; 

   5:  

   6: namespace Site

   7: {

   8:     /// <summary>

   9:     /// WebPage: RSSFeed.aspx

  10:     /// Class: RSSFeed

  11:     /// Creator: James Craig

  12:     /// Description: Implements a simple RSS feed.

  13:     /// </summary>

  14:     public partial class RSSFeed : System.Web.UI.Page

  15:     {

  16:         /// <summary>

  17:         /// Called at page loading

  18:         /// </summary>

  19:         /// <param name="sender"></param>

  20:         /// <param name="e"></param>

  21:         protected void Page_Load(object sender, EventArgs e)

  22:         {

  23:             //Now make the response an xml file

  24:             Response.Clear();

  25:             Response.ContentType = "text/xml";

  26:             XmlTextWriter RSSOutput = new XmlTextWriter(Response.OutputStream, Encoding.UTF8);

  27:             //initialize the xml document for RSS using version 2.0

  28:             RSSOutput.WriteStartDocument();

  29:             RSSOutput.WriteStartElement("rss");

  30:             RSSOutput.WriteAttributeString("version", "2.0");

  31:             LoadItems(RSSOutput); 

  32:  

  33:             //Close the document

  34:             RSSOutput.WriteEndElement();

  35:             RSSOutput.WriteEndDocument();

  36:             RSSOutput.Flush();

  37:             RSSOutput.Close();

  38:         } 

  39:  

  40:         /// <summary>

  41:         /// Loads Items and adds them to the feed.

  42:         /// </summary>

  43:         /// <param name="RSSOutput"></param>

  44:         private void LoadItems(XmlTextWriter RSSOutput)

  45:         {

  46:             //Load the rss items (database call, etc. would go here) 

  47:  

  48:             //Create a default channel

  49:             RSSOutput.WriteStartElement("channel");

  50:             RSSOutput.WriteElementString("title", "Channel Title");

  51:             RSSOutput.WriteElementString("link", "Your website");

  52:             RSSOutput.WriteElementString("description", "Description of the channel");

  53:             RSSOutput.WriteElementString("copyright", "Copyright " + DateTime.Now.Year.ToString() + ". All rights reserved."); 

  54:  

  55:             //Now output each of the announcements.

  56:             foreach (Item in your list of items)

  57:             {

  58:                 RSSOutput.WriteStartElement("item");

  59:                 RSSOutput.WriteElementString("title", "Item's Title");

  60:                 RSSOutput.WriteElementString("description", "Actual text of the item");

  61:                 RSSOutput.WriteElementString("pubDate", "Item's date (use ToString("R") for the date output)";

  62:                 RSSOutput.WriteElementString("link", "Link to the item");

  63:                 RSSOutput.WriteEndElement();

  64:             }

  65:             //Close everything up.

  66:             RSSOutput.WriteEndElement();

  67:         }

  68:     }

  69: }