title: How to click a button on website?
body: <p>The HTML code is;</p>
  
  <pre><code>&lt;input id="submit_button" type="submit" value="Convert file" title="Upload video to convert to MP4 format"&gt;
  </code></pre>
  
  <p>How would I go about clicking this button by using the webBrowser control?</p>
  
  <p>I tried;</p>
  
  <pre><code>webBrowser1.Document.GetElementById("submit_button").InvokeMember("onclick"); // click convert video button
  </code></pre>
  
  <p>but it is not working.</p>
  
  <p>Thanks.</p>