怎么实现.NET MVC EXCEL数据导入时进度条效果

怎么实现.NET MVC EXCEL数据导入时进度条效果 请大侠们帮助  --------------------编程问答-------------------- http://stackoverflow.com/questions/4509099/progress-bar-on-calling-controller-in-asp-net-mvc-2

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

补充：.NET技术 ,  ASP.NET