Links Display Busy Indicator in Web

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1: jQuery and client side: http://stackoverflow.com/questions/4355268/how-to-display-a-busy-indicator-with-jquery

http://stackoverflow.com/questions/5001002/how-to-create-circular-progresspie-chart-like-indicator

AJax: http://stackoverflow.com/questions/561909/loading-page-for-asp-net-mvc

2: Web API, MVC:

http://www.devcurry.com/2012/10/responsive-aspnet-mvc-ui-using-webapi.html

http://forums.asp.net/t/1835180.aspx