I have received the following error message while using Sitecore MVC Development. Posted the resolution as it might help my fellow developers when facing the same issue.
Method not found: ‘System.Web.WebPages.IDisplayMode System.Web.Mvc.ControllerContext.get_DisplayMode()’.
Resolution: I have muted/deleted the following dll and everything started working normal ‘Microsoft.Web.Mvc.FixedDisplayModes.dll’