Using ASP. Net to get all the links in the page


private void Page_Load(object sender, System.EventArgse) 
   // Place the user code here to initialize the page  

   string url =; 
   System.UrihttpURL = new Uri(url); 
   httpReq =(System.Net.HttpWebRequest)System.Net.WebRequest.Create(httpURL); 
   httpReq.Method= “GET”; 
   httpRes= (System.Net.HttpWebResponse)httpReq.GetResponse(); 
   httpReq.KeepAlive= false; 
   System.IO.StreamReadersReader = newSystem.IO.StreamReader(httpRes.GetResponseStream(),System.Text.Encoding.GetEncoding(“GB2312”)); 
   stringres = sReader.ReadToEnd(); 
   // The following is to filter the obtained text stream using regular expressions  
   stringstrRegex = @”<a.+?a>”; 
   r = newSystem.Text.RegularExpressions.Regex(strRegex,System.Text.RegularExpressions.RegexOptions.IgnoreCase); 
   m =r.Matches(res); 
    Response. Write (“total of this page” + m.count  +  ”   Hyperlinks < br / > “);  
   for (inti = 0; i < m.Count; i++) 
    Response.Write(m[i].Value+ “<br/>”); 

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