"Sorting and Filtering Data Using a DataView" http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconsortingfilteringdatausingdataview.asp
"Wielding the Power of the DataView" http://www.asp101.com/articles/stuart/dataview/default.asp
"Caching with ASP.NET" http://aspnet.4guysfromrolla.com/articles/022802-1.aspx
"Working with the ADO.NET Data Model" http://www.microsoft.com/usa/presentations/Working_w_the_ADO.NET_Object_Model.ppt