Fix for "ViewBag" does not exist in current context within Razor MVC App

We will look into steps for fixing "ViewBag" does not exist in current context.

We may get below error, while browsing Razor MVC 3 application:

To fix it, follow below steps:

1. Verify you have latest version of MVC 3 [It may be Beta or pre-release version] or not.

2. If not, update the MVC 3 by using Web Platform Installer or installing AspNetMVC3ToolsUpdateSetup.exe from http://www.asp.net/mvc/mvc3.

3. If issue still exist, add a reference or copy System.Web.Webpages.RazorSystem.Web.Webpages.Razor.dll  [present in
C:\Program Files\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\] to App's bin folder and try.

4. If it won't help, re-install MVC 3 completely.