title: foreach on Request.Files
body: <p>I'm attempting upload multiple files in ASP.NET MVC and I have this simple foreach loop in my controller</p>
  
  <pre><code>foreach (HttpPostedFileBase f in Request.Files)
  {
      if (f.ContentLength &gt; 0)
          FileUpload(f);
  }
  </code></pre>
  
  <p>The previous code generates this error:</p>
  
  <pre><code>Unable to cast object of type 'System.String' to type 'System.Web.HttpPostedFile'. 
  </code></pre>
  
  <p>What I don't understand is why Request.Files[1] returns an HttpPostedFileBase but when it's iterated over, it returns strings (presumably the file names).</p>
  
  <p>Note: I know this can be solved with a for loop.
  Also, I tried using HttpPostedFile, with the same error.</p>