title: how to download file from youtube using C#
body: <p>How do I download any video file from Youtube server. I am use this code to download file</p>
  
  <pre><code>        WebClient WClient = new WebClient();
          WClient.DownloadFile("Source address", "Destination");
  </code></pre>
  
  <p>but this method does not work with youtube.</p>