The blog explains how to implement Sorting in
Asp.Net Grid View using jQuery, Just open the solution, and you'll get to see
the js file used to perform sorting on the GridView we have in Asp.Net aspx
page.
The sorting is done on the basis of css class names provided in Style.css.
Just run the solution, and you'll get to see
that grid is sorted on the basis of string, date and numbers as well.
You can implement and extend this solution in your existing/new website.