Custom paging in Web-grid MVC4

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ASP.NET

MVC3

MVC4

Hi ,

Currently i am doing filtering below link
http://www.campusmvp.net/blog/asp-net-mvc-webgrid-with-filtering-paging-and-sorting[^]

I have already post my question there
how to do filtering on child table

This is my question
"Suppose
I have 2 table one is

Friend
FId Fname

and second is

FriendDetail
FId FCity FState FCountry

and i want to search on both cases either Fname or Fcity

Please guide me how to do this

Please guide me and how to we need change the model as per his(writer) comment .
Thank you in advance