I have a DataTable/collection that is cached in memory, I want to use this as a source to generate results for an auto complete textbox (using AJAX of course). I am evaluati
as per the following blog
http://blog.dotnetspeech.net/archive/2008/08/26/performance----datatable.select-vs-dictionary.aspx
DataTable.Rows.Find is much, much faster than DataTable.Select.