Read html source using httpwebrequest class

1. Create a single page website (download the code stated below).

3. Declare ManualResetEvent to wait for the Asynchronous method call to complete.

privatestaticManualResetEvent allDone = newManualResetEvent(false);


2. Create get response method.

private staticvoid GetResponseCallback(IAsyncResult asynchronousResult)


  HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;


  // End the operation

  HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);

  Stream streamResponse = response.GetResponseStream();


  using (StreamReader sr = newStreamReader(streamResponse))


    while (sr.Peek() >= 0)











3. Complete the main function.

public staticvoid Main(string[] args)



  // Create a new HttpWebRequest object.

  HttpWebRequest request = (HttpWebRequest)WebRequest.Create(”);


  // Start the asynchronous operation to get the response

  request.BeginGetResponse(newAsyncCallback(GetResponseCallback), request);





You can also download a single solution from The sample file name is WebAppHttpwebrequest.rar. My MSN ID is



About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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One Response to Read html source using httpwebrequest class

  1. Pingback: Extract text from html source | Chanmingman's Blog

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