title: Tracking the success and failure of product download
body: <p>I want to track the complete/success and failure of product download for my ecommerce site.i m using asp.net handler which i called throuh jquery ajax.i wrote a code. but the downoad dialog box is not popped up and i still don't know the success and failure statistics.i need to update my databse based  on the returning json data (true for success/false for failure) from asp.net handler .Anyone help me out. The link i referred is</p>
  
  <p><a href="http://www.codeguru.com/csharp/csharp/cs_data/article.php/c17133/Tip-File-Download-in-ASPNET-and-Tracking-the-Status-of-Success-or-Failure-of-Download.htm" rel="nofollow">http://www.codeguru.com/csharp/csharp/cs_data/article.php/c17133/Tip-File-Download-in-ASPNET-and-Tracking-the-Status-of-Success-or-Failure-of-Download.htm</a></p>