Show proper error messages with jQuery AJAX

Question

Currently if I have an error with an ajax request such as submitting a form (I\'m using ASP.NET MVC 3) it will show something like \'Internal Server Error\'.

But if I do

Answer 1

This code will replace the current page's contents with the error that came back from the ajax request.

jQuery(document).ajaxError(function (event, request, settings) {
    if (request.status === 500) {
        $(document.body).html(request.responseText);
    } else if (request.status === 401) {
        // redirect to login, 401 means session is expired.
        window.location.href = "login page url";
    }
});