'System.Web.WebPages.Html.HtmlHelper' does not contain a definition for 'DevExpress'

• Jun 21, 2024
• 2 minutes to read

This error can occur in the following cases:

• ASP.NET MVC 3 projects are upgraded to ASP.NET MVC 4 (or ASP.NET MVC 4 projects to ASP.NET MVC 5)

• Areas are used.