ASP.NET MVC Routing issue. Not mapping route

Question

I'm new to ASP.NET MVC and I've encountered problem, which I can't solve. I've spent two days searching Google, but still nothing.

So, my situation is: I'm trying to implement localization in my ASP.NET MVC application using routing.

www.mysite.com/Home/Index - for default (Russian)

www.mysite.com/en/Home/Index - for English

So I'm registering routes:

public static void RegisterRoutes(RouteCollection routes)
        {
            routes.MapRoute(
                        "Default",
                        "{controller}/{action}",
                        new { controller = "Home", action = "Index"},
                        new { controller = "^[a-zA-z]{4,}$" }
             );

            routes.MapRoute(
                        "Localization",
                        "{lang}/{controller}/{action}",
                        new { lang = "en", controller = "Home", action = "Index" }
            );
        }

Navigating to default: www.mysite.com/Home/Index works fine. But when I try to navigate to www.mysite.com/en/Home/Index I get 404 error.

What is more interesting, RouteDebugger does'n see my new route:

RouteDebugger All Routes Table

Adding more new routes, changing the order of their mapping or even deleting all my routes do nothing. It seems that route {controller}/{action}/{id} is just the default route for MVC which was added "before me".

So, what could be the problem? I have totally no idea! I've seen screenshots of Rote Debugger from other sites and their routes are displayed. For example some other site: Screenshot

Maybe I have to change something in web.config? I'm completely confused. Please help! Thank you very much for your time!

Sounds like your site hasn't recompiled. are you hosting it in iis Express/IIS/VWD Env? try cleaning your solution and then hitting rebuild, see if that fixes it — Slicksim
– Slicksim, Commented Apr 19, 2013 at 10:16
Thank you very much for your answer! I've cleaned the solution (Build -> Clean Solution) and rebuid it (Build -> Rebuild Solution) but still noting. — Алексей Стецюра
– Алексей Стецюра, Commented Apr 19, 2013 at 10:21
What version of MVC? Where is RegisterRoutes? Is it in the App_Start folder in the RouteConfig class? Where are you calling it? Your RouteDebugger output seems to be displaying a different set of routes than what you have defined. My guess is that you've got code on global.asax.cs that is registering routes (MVC <= 3 style), and your sample is in App_Start (MVC 4 style) but not being called. — Colin Young
– Colin Young, Commented Apr 19, 2013 at 13:52
Yeah! That works! Thank you very much!!! I'm using MVC 4. I have to map my routes in RoutConfig that is stored in App_Start folder. Colin Young, could you write your comment as full answer, so I can mark it as best answer? Thanks. — Алексей Стецюра
– Алексей Стецюра, Commented Apr 19, 2013 at 14:33

Colin Young · Accepted Answer · 2013-04-19 15:41:16Z

1

In MVC 4, RouteConfig.cs is stored in App_Start. If you create your project from the MVC 4 project wizard it should wire it all up for you. If not, you will need to call it from global.asax.cs:

protected void Application_Start()
{
    // other stuff ...
    RouteConfig.RegisterRoutes(RouteTable.Routes);
    // other stuff ...
}

Also, IIRC, the MVC 3 project wizard sets up all the default routes directly in Application_Start, so you'll need to remove those (or move them into RegisterRoutes as the case may be).

answered Apr 19, 2013 at 15:41

Colin Young

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J. Chris Gibson · Accepted Answer · 2013-08-20 20:49:43Z

1

RoutConfig is read sequentially and "Default {controller}/{action}" is very greedy. Move your "Localization" route code above the "Default" route and see if that helps.

answered Aug 20, 2013 at 20:49

J. Chris Gibson

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