How to get MVC action to return 404

Question

I have an action that takes in a string that is used to retrieve some data. If this string results in no data being returned (maybe because it has been deleted), I want to r

Answer 1

In NerdDinner eg. Try it

public ActionResult Details(int? id) {
    if (id == null) {
        return new FileNotFoundResult { Message = "No Dinner found due to invalid dinner id" };
    }
    ...
}