Check http://forums.asp.net/t/1351042.aspx

>Yes, Google provides many solutions for exporting data to Excel...in fact I am not sure there is a limit of methods.
>
>I want to export a few fields of a data table to possibly an Excel spreadsheet/HMTL/XML document so that the user
> may view/print the list of items they are to inspect in their building.
>
>There must be a quick & easy way to do this in VS 2005, MM.Net 2.4, C#, WinForms
>
>Thanks, Ted