title: How to use HTML input control to upload files
body: <p>I had HTML input control to upload file but the file returns empty.</p>
  
  <pre><code>&lt;input type="file" class="upload"  runat="server" id="FUFile"/&gt;
  
  string tempVar = "~/res/Posts/" + FUFile.Value.ToString();
          FUFile.ResolveUrl(Server.MapPath(tempVar));
  </code></pre>