Provider model

http://msdn.microsoft.com/asp.net/downloads/providers/default.aspx
http://msdn.microsoft.com/asp.net/downloads/providers/default.aspx?pull=/library/en-us/dnaspnet/html/asp02182004.asp

Web Services Enhancements

http://msdn.microsoft.com/webservices/webservices/building/wse/default.aspx?pull=/library/en-us/dnwse/html/whywse.asp

Continuous Integration Tool

TeamCity : http://www.jetbrains.com/teamcity/index.html

Custom profile provider

http://www.theserverside.net/tt/articles/showarticle.tss?id=CreatingProfileProvider

Unit Testing in .NET Projects

http://www.ondotnet.com/pub/a/dotnet/2005/07/18/unittesting_2005.html?page=2

http://www.sachmienphi.net

http://www.sachmienphi.net