asp.net 异步

Overview

http://www.cnblogs.com/wisdomqq/archive/2012/03/29/2417723.html

MVC4 ASYNC

https://docs.microsoft.com/en-us/aspnet/mvc/overview/performance/using-asynchronous-methods-in-aspnet-mvc-4

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原文地址：https://www.cnblogs.com/SimpleCode/p/7061103.html