Web API 2 routing fails for literal segment

Question

I'm facing an issue with Web API 2 routing for literal segments.

In one project, I have ASP.NET MVC and WebAPI2 running together, the project is also running MVC areas.

Under each area, there is API folder which contains APIs. I'm facing an issue when trying to request the following url: {host}/accesscontrol/api/reporting/bookings.

• accesscontrol here is the area name
• reporting is the controller
• bookings is a literal segment.

The error I'm getting: No action was found on the controller 'Reporting' that matches the request.

This is the controller that should receive this request:

[RoutePrefix("accesscontrol/api/reporting")]
public class ReportingController : ApiController
{
    [Route("bookings")]
    [ResponseType(typeof(Booking))]
    [HttpGet]
    public async Task<IHttpActionResult> Bookings(string q = null)
    {
        //Code to get data
        return Ok(bookings);
    }
}

When I remove [Route('Bookings')] attribute, the request is working well regardless if Bookings segment is there or not.

This is the configuration of routing under area registration class:

public override void RegisterArea(AreaRegistrationContext context)
{
    context.Routes.MapHttpRoute(
        "AccessControlApi_default",
        "accesscontrol/api/{controller}/{id}",
        new { id = RouteParameter.Optional }
        );

    context.MapRoute(
        "AccessControl_default",
        "accesscontrol/{controller}/{action}/{id}",
        new { action = "Index", id = UrlParameter.Optional }
    );
}

How can I let the app to understand those literal segments under areas?

Edit

I'm calling RegisterAllAreas in Global.asax.cs file, as follow:

public class MvcApplication : System.Web.HttpApplication
{
    protected void Application_Start()
    {
        AreaRegistration.RegisterAllAreas();
        GlobalConfiguration.Configure(WebApiConfig.Register);
        FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
        RouteConfig.RegisterRoutes(RouteTable.Routes);
        BundleConfig.RegisterBundles(BundleTable.Bundles);
    }
}

Answer 1

I resolved my issue by moving: AreaRegistration.RegisterAllAreas(); from global.asax.cs file to RouteConfig.cs file.

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

        AreaRegistration.RegisterAllAreas();

        routes.MapRoute(
            name: "Default",
            url: "{controller}/{action}/{id}",
            defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional },
            namespaces:  new[] {"WebPortal.Controllers"}
        );
    }
}