Is it possible to display a view from another controller?
Say for example I have a CategoriesController and a Category/NotFound.aspx view.
You can also call any controller from JavaScript/jQuery. Say you have a controller returning 404 or some other usercontrol/page. Then, on some action, from your client code, you can call some address that will fire your controller and return the result in HTML format your client code can take this returned result and put it wherever you want in you your page...