Here's the scenario:
这是场景:
I need to fetch some JSON data via AJAX from the server (ASP.NET MVC application + ServiceStack services). If the user's session expires then instead of getting back JSON I get a redirect to the login page, which gets automatically executed by jQuery, so the result of the AJAX call ends up being the raw HTML of the login form. I need to handle these two cases differently:I need to fetch
