Hi Steven,
Thanks for using Syncfusion products.
Grouping - We have added a new Silverlight GridDataControl, You can download our latest Essential Studio Vol4 to check out this new data bound grid.
http://www.syncfusion.com/downloads/latest-versionInternal DataTable - The Silverlight FW supports only IList
, IEnumerable interface lists, and there is no DataTable.
Real time updates in ASP.NET Grid - No, we do not support real time updates as we do in Silverlight Grid.
DataSource for the Grid - The Trader Grid sample generates random data in the client side, in the real world, you would have to pull the data from a WCF service / Web service / RIA services.
Please let me know if you need any more details.
Thanks,
Fahad