From e43c56e68a033d1ba748e9d809382efbcd54f601 Mon Sep 17 00:00:00 2001
From: Jason Zhu <jasonzhuyq@outlook.com>
Date: Wed, 24 Nov 2021 18:37:05 +1100
Subject: [PATCH] 15.6.2 Defining Optional URL Segments; Listinig 15-19.
 Specifying an Optional URL Segment in the RouteConfig.cs File

---
 UrlsAndRoutes/UrlsAndRoutes/App_Start/RouteConfig.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/UrlsAndRoutes/UrlsAndRoutes/App_Start/RouteConfig.cs b/UrlsAndRoutes/UrlsAndRoutes/App_Start/RouteConfig.cs
index cae7fce..6fe3aa0 100644
--- a/UrlsAndRoutes/UrlsAndRoutes/App_Start/RouteConfig.cs
+++ b/UrlsAndRoutes/UrlsAndRoutes/App_Start/RouteConfig.cs
@@ -12,7 +12,7 @@ namespace UrlsAndRoutes
         public static void RegisterRoutes(RouteCollection routes)
         {
             routes.MapRoute("MyRoute", "{controller}/{action}/{id}",
-                new { controller = "Home", action = "Index", id = "DefaultId" });
+                new { controller = "Home", action = "Index", id = UrlParameter.Optional});
         }
     }
 }