From e738287bc29c7e2961533600f8ada0d90145de91 Mon Sep 17 00:00:00 2001
From: Jason Zhu <jasonzhuyq@outlook.com>
Date: Wed, 24 Nov 2021 19:06:29 +1100
Subject: [PATCH] 15.6.2.1 Using Optional URL Segments to Enforce Separation of
 Concerns; Listing 15-21. Defining a Default Value for an Action Method
 Parameter in the HomeController.cs File

---
 UrlsAndRoutes/UrlsAndRoutes/Controllers/HomeController.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/UrlsAndRoutes/UrlsAndRoutes/Controllers/HomeController.cs b/UrlsAndRoutes/UrlsAndRoutes/Controllers/HomeController.cs
index 2df8f1a..d70f5bb 100644
--- a/UrlsAndRoutes/UrlsAndRoutes/Controllers/HomeController.cs
+++ b/UrlsAndRoutes/UrlsAndRoutes/Controllers/HomeController.cs
@@ -16,11 +16,11 @@ namespace UrlsAndRoutes.Controllers
             return View("ActionName");
         }
 
-        public ActionResult CustomVariable(string id)
+        public ActionResult CustomVariable(string id = "DefaultId")
         {
             ViewBag.Controller = "Home";
             ViewBag.Action = "CustomVariable";
-            ViewBag.CustomVariable = id ?? "<no value>";
+            ViewBag.CustomVariable = id;
             return View();
         }
     }