jqGrid data does not display data in MVC4 with json

jqGrid data does not display data in MVC4 with json

References

Reference NO 1

http://stackoverflow.com/questions/15194783/jqgrid-data-does-not-display-data-in-mvc4-with-json

Reference NO 2

http://stackoverflow.com/questions/15102712/jqgrid-not-displaying-data-json-string-is-true-json-do-i-need-a-jsonreader

Reference NO 3

http://www.trirand.com/blog/?page_id=393/help/data-not-showing-c-asp-net-mvc/

Reference NO 4

http://forums.asp.net/t/prev/1878641

Reference NO 5

http://mikedormitorio.azurewebsites.net/BlogPost/jqgrid-series-part-1-loading-data-to-a-jqgrid-on-an-asp-net-mvc-application

Reference NO 6

http://www.codeproject.com/Articles/594150/MVC-Basic-Site-Step-4-jqGrid-In

Reference NO 7

http://www.codersource.net/AspNet/ASPNetAdvanced/DisplayjqGridusingaspnetMVC.aspx

Reference NO 8

http://seesharpaspdotnet.blogspot.com/2013/02/step-by-step-how-to-create-mvcjqgrid.html