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

            var builder = new ContainerBuilder();

            // Get your HttpConfiguration.
            var config = GlobalConfiguration.Configuration;

            // Register your Web API controllers.
            builder.RegisterApiControllers(Assembly.GetExecutingAssembly());

            builder.RegisterType <UnitOfWork>().As <IUnitOfWork>();
            DIConfiguration.RegisterServices(builder);// builder.RegisterType<StudentService>().As<IStudentService>();
            builder.RegisterType <FugaDbcontext>().As <FugaDbcontext>();
            builder.RegisterType <FugaContext>().As <FugaContext>();


            // OPTIONAL: Register the Autofac filter provider.
            builder.RegisterWebApiFilterProvider(config);

            // OPTIONAL: Register the Autofac model binder provider.
            builder.RegisterWebApiModelBinderProvider();

            // Set the dependency resolver to be Autofac.
            var container = builder.Build();

            config.DependencyResolver = new AutofacWebApiDependencyResolver(container);
        }