The technique to access cell values will build upon the technique that we used for highlighting rows and raising server side
event. You can refer to same code from those articles to see how client side
onclick event was handled for each selected row.
cells of the grid view and make decision on client side. For example if a user enters a data in some cell but you need to validate it
against value in some other cell or combination of cells, you may have been doing a post back and then doing the checks and failing user
attempt if something was wrong with the data. But by using this technique you can avoid the post back.