The AsyncController class enables you to write asynchronous action methods. You can use asynchronous action methods for long-running, non-CPU bound requests. This avoids blocking the Web server from performing work while the request is being processed.read:->http://msdn.microsoft.com/en-us/library/ee728598%28VS.100%29.aspx http://www.asp.net/mvc/tutorials/mvc-4/using-asynchronous-methods-in-aspnet-mvc-4 http://www.codeproject.com/Tips/526099/Asynchronous-Controller-in-ASP-NET-MVC

Asynchronous controller class enable to write the async action which is used through the appliction.

Asynchronous controller class enable to write the async action which is used through the appliction.

http://msdn.microsoft.com/en-us/library/ee728598(VS.100).aspx

http://tech.pro/tutorial/1252/asynchronous-controllers-in-asp-net-mvc

http://www.asp.net/mvc/tutorials/mvc-4/using-asynchronous-methods-in-aspnet-mvc-4