<%@ WebHandler Language="C#" Class="KD.robotshandler" %>
using System;
using System.Web;
using System.IO;
using System.Web;
using System.Text;
using System.Data;
using System.Xml;

namespace KD {

    public class robotshandler: IHttpHandler {

        public void ProcessRequest(HttpContext context)
        {

            CommonPage clsCommonPage = new CommonPage();
            

            string strDomain = HttpContext.Current.Request.Url.Host;

            string Sitemap = clsCommonPage.GenerateDynamicSitemap(strDomain);

            /// load XML site map
            XmlDocument _sitemap = new XmlDocument();

            _sitemap.LoadXml(Sitemap);
            _sitemap.Save(HttpContext.Current.Server.MapPath(String.Format("~/sitemap.xml")));
            ///

            string _xmlFile = string.Empty;

            context.Response.ContentType = "text/plain";
            context.Response.Write("User-agent: *\n");
            context.Response.Write("Disallow: /bin/ \n");

            context.Response.Write(String.Format("Sitemap: http://{0}/sitemap.xml", strDomain));
        }

        public bool IsReusable
        {
            get { return false; }
        }
    }
}