)Unable to change Target Framework Version ASP.NET MVC 3 projects have limited functionality in Visual Studio 2015. Intellisense for Razor files (CSHTML and VBHTML) may be unavailable or limited and you may see errors in the Error List dialog when editing these files. Commands such as Add Controller, Add View, Add Area, and Go to View/Controller are not available. Please see http://go.microsoft.com/fwlink/?LinkID=317645 for additional information on how to upgrade an MVC 3 project. ASP.NET MVC 4 projects have limited functionality in Visual Studio 2015. Intellisense for Razor files (CSHTML and VBHTML) may be unavailable or limited and you may see errors in the Error List dialog when editing these files. Commands such as Add Controller, Add View, Add Area, and Go to View/Controller are not available. Please see http://go.microsoft.com/fwlink/?LinkID=320968 for additional information on how to upgrade an MVC 4 project.