15.6.1 Using Custom Variables as Action Method Parameters; Listing 15-18. Adding an Action Method Parameter in the HomeController.cs File

UrlsAndRoutes/UrlsAndRoutes/Controllers/HomeController.cs

@@ -16,11 +16,11 @@ namespace UrlsAndRoutes.Controllers
             return View("ActionName");
         }
 
-        public ActionResult CustomVariable()
+        public ActionResult CustomVariable(string id)
         {
             ViewBag.Controller = "Home";
             ViewBag.Action = "CustomVariable";
-            ViewBag.CustomVariable = RouteData.Values["id"];
+            ViewBag.CustomVariable = id;
             return View();
         }
     }