title: Files referenced in ASPX-page don't cause invokation of Application_BeginRequest
body: <p>When I reload a page called <em>Donkey.aspx</em>, there's a breakpoint being hit on the method below.</p>
  
  <pre><code>protected void Application_BeginRequest(object sender, EventArgs e)
  {
    if (application.Request.Url.AbsolutePath.EndsWith(".blopp")) { ... }
  }
  </code></pre>
  
  <p>The problem is that all I get to see is a hit on the <em>Donkey.aspx</em> and another file (the one with id <em>__browserLink_initializationData</em>) referenced by it, only. However, there's a bunch of other references to files and those are not causing hits on the method. The end of the produced page looks like this.</p>
  
  <pre><code>&lt;script type="text/javascript" src="/jquery-1.11.0.min.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="jquery.placeholder.js"&gt;&lt;/script&gt;
  &lt;script src="beep.blopp" type="text/javascript"&gt;&lt;/script&gt;
  &lt;script src="typeahead.bundle.min.js" type="text/javascript"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="utils.js"&gt;&lt;/script&gt;
  &lt;/div&gt;
  
  &lt;div class="aspNetHidden"&gt;
  &lt;input type="hidden" name="__VIEWSTATEGENERATOR" 
         id="__VIEWSTATEGENERATOR" value="54ACFC5B" /&gt;
  &lt;/div&gt;
  &lt;/form&gt;
  
  &lt;!-- Visual Studio Browser Link --&gt;
  &lt;script type="application/json" id="__browserLink_initializationData"&gt;
  {"appName":"Chrome","requestId":"f51b45a6ac174b6e8880184492a80734"}
  &lt;/script&gt;
  &lt;script type="text/javascript" src="http://localhost:64593/9...7/browserLink" async="async"&gt;
  &lt;/script&gt;
  &lt;!-- End Browser Link --&gt;
  &lt;/body&gt;
  </code></pre>
  
  <p>Accessing another page gives me the expected behavior, namely a bunch of hits on the event handler above, including CSS-files etc. Notable is that the files <strong>do indeed</strong> get loaded, as verified by the functionality of the scripts, console status codes (200 and 304 all around). The master page is virtually empty.</p>
  
  <p>I'm at loss on what's wrong and even more uncertain on how to trouble-shoot it.</p>