How to create RSS Feed in Asp.Net

using System;
using System.Data;
using System.Configuration;
using System.Data.SqlClient;
using System.Text;
using System.Xml;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string connectionString = ConfigurationManager.ConnectionStrings["TestConnection"].ConnectionString;
        DataTable dt = new DataTable();
        SqlConnection conn = new SqlConnection(connectionString);
        using (conn)
        {
            SqlDataAdapter ad = new SqlDataAdapter("SELECT * from tblRSS", conn);
            ad.Fill(dt);
        }

        Response.Clear();
        Response.ContentType = "text/xml";
        XmlTextWriter TextWriter = new XmlTextWriter(Response.OutputStream, Encoding.UTF8);
        TextWriter.WriteStartDocument();
        
        //Below tags are mandatory rss tag
        TextWriter.WriteStartElement("rss");
        TextWriter.WriteAttributeString("version", "2.0");

        // Channel tag will contain RSS feed details
        TextWriter.WriteStartElement("channel");
        TextWriter.WriteElementString("title", ".Net Mixer Free Articles");
        TextWriter.WriteElementString("link", "http://shawpnendu.blogspot.com");
        TextWriter.WriteElementString("description", "Free ASP.NET articles,C#.NET,VB.NET tutorials and Examples,Ajax,SQL Server,Javascript,XML,GridView Articles and code examples -- by Shawpnendu Bikash");
        TextWriter.WriteElementString("copyright", "Copyright 2009 - 2010 shawpnendu.blogspot.com. All rights reserved.");

        foreach (DataRow oFeedItem in dt.Rows)
        {
            TextWriter.WriteStartElement("item");
            TextWriter.WriteElementString("title", oFeedItem["Title"].ToString());
            TextWriter.WriteElementString("description", oFeedItem["Description"].ToString());
            TextWriter.WriteElementString("link", datefield);

TextWriter.WriteElementString("pubDate", PubDate(oFeedItem("ArticleDate").ToString())) 

 TextWriter.WriteEndElement();
        }
        TextWriter.WriteEndElement();
        TextWriter.WriteEndElement();
        TextWriter.WriteEndDocument();
        TextWriter.Flush();
        TextWriter.Close();
        Response.End();
    }
}

 public static string PubDate(DateTime Date)
{
 string ReturnString = Date.DayOfWeek.ToString().Substring(0, 3) + ", ";
 ReturnString += Convert.ToString(Date.Day) + " ";
 ReturnString += CultureInfo.CurrentCulture.DateTimeFormat.GetAbbreviatedMonthName(Date.Month) + " ";
 ReturnString += Convert.ToString(Date.Year) + " ";
 ReturnString += Convert.ToString(Date.TimeOfDay) + " +0530";

 return ReturnString;
}