great links

Making Web Services Accessible from Script

http://www.asp.net/ajax/documentation/live/tutorials/ExposingWebServicesToAJAXTutorial.aspx

Great Asp.net tutorial
http://www.beansoftware.com/ASP.NET%2DTutorials/

Different Date Format for sqlserver
http://www.sql-server-helper.com/tips/date-formats.aspx

Convert VB.NET to C# OR C# to VB.NET -
http://labs.developerfusion.co.uk/convert/vb-to-csharp.aspx

Job creation :-
http://www.databasedesign-resource.com/sql-server-jobs.html

Retriving and saving Image as binary:-
http://www.beansoftware.com/ASP.NET-Tutorials/Save-Read-Image-Database.aspx

Membership understanding :-
http://aspnet.4guysfromrolla.com/articles/101106-1.aspx

URL Rewriting:-
http://weblogs.asp.net/scottgu/archive/2007/02/26/tip-trick-url-rewriting-with-asp-net.aspx

DotNetNuke Installation:-
http://www.bestwebsites.co.nz/dotnetnuke/easy-dotnetnuke-installation-guide/

UrlRewriting:-
http://www.simple-talk.com/dotnet/asp.net/a-complete-url-rewriting-solution-for-asp.net-2.0/