data from gridview to a function

Question

Hello to everyone!I have the following problem. I have a gridiew control(at page Default.aspx) in which I send the products of a eshop,how can I display a button on the gridview control so I can send the name and the value of the product in a function at page cart.aspx. To be more specific, which is the code I must add to the gridview cotrol for sending the name and the value of the product to the function and which is the code I must add to the function for receiving this data(Dim name=???,Dim value=???) Sorry for my bad English.