How to Use Asynchronous HttpWebRequest in .NET?

Asynchronous HttpWebRequest in .NET: A Practical Guide

Leveraging asynchronous HttpWebRequest in C# offers a superior approach to managing web requests, preventing the main thread from being blocked. This guide outlines the process.

Initiating an Asynchronous HttpWebRequest:

The cornerstone of asynchronous web requests is HttpWebRequest.BeginGetResponse():

<code class="language-csharp">HttpWebRequest webRequest;

void InitiateWebRequest()
{
    webRequest.BeginGetResponse(new AsyncCallback(ProcessWebRequest), null);
}</code>

Processing the Asynchronous Response:

The ProcessWebRequest callback function handles the response once the asynchronous operation completes:

<code class="language-csharp">void ProcessWebRequest(IAsyncResult result)
{
    webRequest.EndGetResponse(result);
}</code>

This callback is crucial; EndGetResponse() retrieves the response data. This method must be called to finalize the asynchronous operation.

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