private void Page_Load(object sender, System.EventArgs e)
  {
  
   WebRequest wreq=WebRequest.Create("http://weather.yahoo.com/forecast/CHXX0133_c.html"); 
 
   HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse(); 
 
   string HTML =""; 
   Stream s=wresp.GetResponseStream(); 
 
   StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding("GB2312")); 
 
 
   string sLine = ""; 
   int i = 0; 
 
   while (sLine!=null) 
   { 
    i++; 
    sLine = objReader.ReadLine(); 
    if (sLine!=null) 
     HTML += sLine; 
   } 
 
   String temp= ""; 
   int start,stop; 
 
  // string aa="<div class=\"five-day-forecast night\" style=\"border:none;\">";
  
  //string aa="<div class=\"five-day-forecast\" style=\"border:none;\">";

   string aa="<table><th>Today</th>";
   start = HTML.IndexOf(aa,0,HTML.Length); 
 
   stop = HTML.IndexOf("</table>",start)+8;  
 
   temp = HTML.Substring(start, stop - start); 

   this.Weather2.Text=temp;
  &nb

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