how select specific value in gridview

[zahraali]

hello

I want know how I can retrieve value from some column in gridview
For example, my gridview columns are id, name ,parent and more info link
I f the user click on more info link I wanna the id value of the same row saved in session called session(id)

How I can do that?
I use Asp.net and I use RadGrid


thnx fo ur help