Added ControllerExtensions to be used instead of HtmlViewRenderer for net8

Added HttpException class for missing HttpException for net8

Wrapped HttpContext.Session, GetJsonResult, IsAjaxRequest and GetUserIdentityName in controllers for net8

Added AuthenticationService to test Fab2ApprovalMKLink code for net8

Compile conditionally flags to debug in dotnet core

Fab2ApprovalSystem/App_Start/FilterConfig.cs

@@ -1,5 +1,7 @@
 using System.Web;
+#if !NET8
 using System.Web.Mvc;
+#endif
 
 namespace Fab2ApprovalSystem;
 

Fab2ApprovalSystem/App_Start/RouteConfig.cs

@@ -3,13 +3,16 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Web;
 using System.Web.Http;
+#if !NET8
 using System.Web.Mvc;
+#endif
 using System.Web.Routing;
 
 namespace Fab2ApprovalSystem;
 
 public class RouteConfig {
     public static void RegisterRoutes(RouteCollection routes) {
+#if !NET8
         routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
 
         routes.MapRoute(
@@ -20,5 +23,6 @@ public class RouteConfig {
             // otherwise MVC generates the wrong form action url
             defaults: new { controller = "Home", action = "MyTasks", id = UrlParameter.Optional }
         );
+#endif
     }
 }

Fab2ApprovalSystem/App_Start/WebApiConfig.cs

@@ -6,10 +6,12 @@ public static class WebApiConfig {
     public static void Register(HttpConfiguration config) {
         config.MapHttpAttributeRoutes();
 
+#if !NET8
         config.Routes.MapHttpRoute(
             name: "DefaultApi",
             routeTemplate: "api/{controller}/{id}",
             defaults: new { id = RouteParameter.Optional }
         );
+#endif
     }
 }