jQuery User Interface

References:

http://jqueryui.com/demos/

http://jqfundamentals.com/chapter/events

http://www.tutorialspoint.com/jquery/jquery-events.htm

http://www.itfunda.com/aspnet-how-to-tips-and-tricks/Show/50

http://www.dotnet-tricks.com/Tutorial/jquerylist

http://www.jeasyui.com/

http://jqueryui.com/dialog/

JSON:

http://forums.asp.net/t/1651515.aspx?call+C+function+using+json

AJAX Cascading dropdownlist using JQuery:

http://www.aspsnippets.com/Articles/AJAX-Cascading-DropDownList-using-jQuery-in-ASP.Net.aspx