Triggers sql

http://www.dotnet-tricks.com/Tutorial/sqlserver/OJ97170312-Different-Types-of-SQL-Server-Triggers.html

Triggers, Queries

http://www.youtube.com/watch?v=JNb54seLzZY
Co-related Queries: http://www.youtube.com/watch?v=SshE8qBG5aA&list=PL083E4EEC22030EAD Sub-Queries,Corelated Queries:
http://www.youtube.com/watch?v=00Vxnod-6iE
ISNULL and Coalese: http://www.youtube.com/watch?v=vi_GdJn1evI
Row number , partition , rank, dense-rank http://www.youtube.com/watch?v=QFj-hZi8MKk

RadWindow Ajax

http://www.telerik.com/community/forums/aspnet-ajax/window/button-inside-radwindow-content-template-will-not-postback-asynchronously-nor-will-it-call-server-side-validation.aspx
http://www.telerik.com/help/aspnet-ajax/window-ajaxifying.html