As you are probably aware AJAX has made it very easy to consume web services asynchronously from the browser. If you are not aware of how to do this here some great resources, on how to do it Understanding ASP.NET AJAX Web Service Proxies - Dan Wahlin...
I found an announce today while creating a VB.NET, ASP.net application. I needed a to determine the items selected in a ListBox control which has it's SelectionMode="Multiple" property set. However, ListBox doesn't have a selecteditems...