EDU/Website/NEducation/App_Start/RouteConfig.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

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

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

            // routes.MapRoute(
            //    name: "LocalizedDefault",
            //    url: "{lang}/{controller}/{action}",
            //    defaults: new { controller = "Home", action = "Index" },
            //    constraints: new { lang = "fr-FR|vi-VN" }
            //);

            // routes.MapRoute(
            //     name: "Default",
            //     url: "{controller}/{action}",
            //     defaults: new { controller = "Home", action = "Index", lang = "fr-FR" }
            // );
        }
    }
}