Upgrading to Sitefinity v. 8.1

If you want to upgrade to Sitefinity v. 8.1 which now supports ASP.NET MVC 5 and .NET Framework v. 4.5, your original Sitefinity Web Application Project file will not automatically be upgraded with the correct project references. 

Therefore, you will have to correct and update these yourself.

The new references that you will have to update in your project for the ASP.NET MVC 5 Assemblies are the following:

• System.Web.Mvc
• System.Web.Helpers
• System.Web.Razor
• System.Web.WebPages
• System.Web.WebPages.Razor
• System.Web.WebPages.Deployment

 In addition, if you are using any Sitefinity MVC Widgets in your project, you will need to make sure you have a reference to this assembly:

• Telerik.Sitefinity.Mvc

 Once you have fixed up these assembly project references, you should now be able to successfully compile your project for Sitefinity v. 8.1!!