How do ASP.NET MVC Routes work?

Posted by Pure.Krome on Stack Overflow See other posts from Stack Overflow or by Pure.Krome
Published on 2010-03-13T14:29:34Z Indexed on 2010/03/13 14:35 UTC
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Hi folks,

imagine i have the following route setup...

public static void RegisterRoutes(RouteCollection routes)
{
    routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

    routes.MapRoute(
        "Default",
        "{controller}/{action}/{id}",
        new { controller = "Home", action = "Index", id = "" }
    );

    // Added custom route here!
    routes.MapRoute(
        "CatchAll", 
        "{*catchall}," 
        new { controller = "Error", action = "NotFound" }
    );
}

nothing new - that's the default ASP.NET MVC1 RegisterRoutes method, with one custom route added.

Now, if I goto the following url, i get a 404...

http://whatever/Home/MissingActionMethod

So there's no ActionMethod called MissingActionMethod in the HomeController. So, does this mean, if i goto the 1st route defined, above .. and fail to find an action .. do I then come back and try the second route? rinse-repeat?

Or once i match a route, i then try and execute that route .. and if i fail (ie, find the action is missing) .. then .. bad luck? boomski?

cheers!

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