web api 2 routing - The resource cannot be found

Question

I've added Web Api controller to MVC 5 application but all the time I get Error 404 - The resource cannot be found. I've added GlobalConfiguration.Configure(WebApiConfig.Register) to Application_Start()

    protected void Application_Start()
    {
        AreaRegistration.RegisterAllAreas();
        FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
        RouteConfig.RegisterRoutes(RouteTable.Routes);
        BundleConfig.RegisterBundles(BundleTable.Bundles);
        GlobalConfiguration.Configure(WebApiConfig.Register);
    }

and I have route registred

public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.MapHttpAttributeRoutes();
        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );
    }
}

malibeg · Accepted Answer · 2014-02-21 13:41:24Z

139

WebApi routing started to work after I've changed the position of Register api method to be above of register routes:

    protected void Application_Start()
    {
        AreaRegistration.RegisterAllAreas();
        FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
        GlobalConfiguration.Configure(WebApiConfig.Register);
        RouteConfig.RegisterRoutes(RouteTable.Routes);
        BundleConfig.RegisterBundles(BundleTable.Bundles);
    }

answered Feb 21, 2014 at 13:41

malibeg

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7 Comments

Zoran P. Over a year ago

I can confirm this was a problem for me as well. WebApiConfig.Register needs to go before RouteConfig.RegisterRoutes

Kiarash Over a year ago

Any one knows why ? because if you create a brand new project it will still have the issue

jekcom Over a year ago

You are a savior!

Zeeshan Safdar Over a year ago

@ZoranP. can you explain me the reason of that, it works for me but i want to know the reason.

wayzz Over a year ago

@ZoranP. I assume that when calling the application start, the normal routing takes precedent over the api routing therefor the first line of routing when calling the api controller goes through the routeconfig rather than the webapiconfig which will result in a 404 since route is not found. Please if I am wrong someone correct me.

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Shahzaib Hassan · Accepted Answer · 2022-08-15 00:07:48Z

1

If this may help somebody. In my case the problem was that i deleted default controllers and in RouteConfig.cs file Home controller was still being referenced.

answered Aug 15, 2022 at 0:07

Shahzaib Hassan

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