I want to write a c# code to determine if the homepage content was change,
and further, i will write the code to show what is changed,
but if the homepage is write by asp or something else, (e.g. livescore.com
here)
i can't get the real homepage content by the following code,
what can i do?

i did post to c# newsgroup, they tell me some idea and introducing me to 
post here

hidden direct/real homepage address is for security purpose or for clear or?

if it is not related to remoting
which newsgroup should i post to?

THANK YOU SO MUCH

using System;
using System.Net;
using System.IO;
using System.Collections.Generic;
using System.Text;

namespace Web
{
    class Program
    {
        static void Main(string[] args)
        {
            string RateHTML = "";
            string tempHTML = "";

            for (int i = 0; i < 10; )
            {

                try
                {
                    // Download the data to a buffer.
                    WebClient client = new WebClient();

                    Byte[] RateHP =
client.DownloadData("http://www.livescore.com/default.dll?page=home");
                    RateHTML = Encoding.ASCII.GetString(RateHP);

                    // Download the data to a file.
                    client.DownloadFile("http://www.livescore.com/default.dll?page=home",
"check.txt");
                }
                catch (WebException webEx)
                {
                    Console.WriteLine(webEx.ToString());
                    if (webEx.Status == WebExceptionStatus.ConnectFailure)
                    {
                        Console.WriteLine("Are you behind a firewall?  If
so, go through the proxy server.");
                    }
                }

                DateTime TimeNow = DateTime.Now;
                if (tempHTML != RateHTML)
                {
                    Console.WriteLine("Score change {0,1}:{1,2}{2,5}",
TimeNow.Minute % 10, TimeNow.Second, TimeNow.Millisecond);
                    tempHTML = RateHTML;
                }
                else
                {
                    Console.WriteLine("Unchange {0,1}:{1,2}{2,5}",
TimeNow.Minute % 10, TimeNow.Second, TimeNow.Millisecond);
                }

                i++;
            }
        } // end Main
    }
}