currently I am using few generic functions/methods in gridview for Sorting Images and Getting Header Row in TH and merge Header Row.
http://geekswithblogs.net/ram/archive/2006/07/13/GridViewGenericSortImagesFunction.aspx http://marss.co.ua/MergingGridViewHeaderColumns.aspx
problem is i have to write these function for every Grid. I looking for solution, Where I can define these behaviors only at one place.