Request.IsAjaxRequest returns false

Question

I have an MVC project in which I have a form with a submit button. I have added a jquery client-side handler that intercepts the form submit event. The javascript function

Answer 1

I'm not sure what the difference would be but a possible way to identify if there is one is to use an HTTP profiling tool like Fiddler (www.fiddlertool.com) and look for possible differences between the two calls.