Move datagrid rows up and down

I am looking for a way to select and move datagrid rows up and down. This would allow users to sort products or a navigation menu in a CMS. I am looking for a way to select and move datagrid rows up and down. I found this site that explains what I would like to do, but it seems a bit complex to do it through dreamweaver: http://msdn.microsoft.com/msdnmag/issues/05/03/CuttingEdge/default.aspx