extension method must be static error in mvc

Question

Prasham Sabadra · Answer

Hi Please have a look once at following links: http://forums.asp.net/t/1332205.aspx?Error+Extension+methods+must+be+defined+in+a+non+generic+static+class+ http://stackoverflow.com/questions/9238114/extension-method-must-be-defined-in-a-non-generic-static-class https://documentation.devexpress.com/#CodeRush/CustomDocument10231