Sometime ago, I demonstrated how to develop a row-clickable DataGrid control. Now, as we have a few holiday days here, I adopted the same to GridView in ASP.NET 2.0. Basic idea is the same, clicking the row (e.g entire row, not specific column) in the control causes a postback and throws RowClicked event. This can be used to customize selections a user can make with the control.
Read more (aspadvice.com/blogs/joteke)