Request.IsAjaxRequest never returns true in MVC3

Question

I am using Asp.net MVC3 and trying to do a simple Ajax post to the server which returns a partial view and updates my list of items during a search.

    @usi         


        

Answer 1

var controllerContext = MockRepository.GenerateMock();
controllerContext.Expect(c => c.HttpContext.Request["X-Requested-With"]).Return("XMLHttpRequest");
controller.ControllerContext = controllerContext;