Search engine friendly URLs using ASP.NET (C#.NET)

http://www.stardeveloper.com/articles/display.html?article=2004022801&page=1
http://www.codetoad.com/asp.net_ma_searchenginefriendly.asp
http://www.winnershtriangle.com/w/ASPNetHelp_BuildingASPNetSearchEngine.asp