By clicking one button how to get a selected row in gridview

Question

Hi


In my project i have a small doubt .I have one page in that page i have 20 buttons only buttons i have and i created gridview if i click one button that button have to retrive the data from the gridview it have to display that row only.



suppose buttons names i'm writing 

       button1                button2
Photo Laminations     Metal Frames ........ when i click button lamination it have to retrive the that photolamination data from the gridview and it have to display if i click the another button that data also have to add to that table plz help me guys