asp.net 异步进程监控

可用于大文件上传 以及 需长时间执行的任务，可反馈出任务执行进度，如下图

#region Copyright © 2010-2011 Craig P Johnson [craigpj@gmail.com]
/*
 * This software is provided ‘as-is‘ without any express or implied warranty.
 * In no event will the author（s） be held liable for any damages arising from
 * the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose
 * including commercial applications and to alter it and redistribute it
 * freely subject to the following restrictions:
 * 
 *   1. The origin of this software must not be misrepresented; you must not
 *      claim that you wrote the original software. If you use this software
 *      in a product an acknowledgment in the product documentation would be
 *      appreciated but is not required.
 * 
 *   2. Altered source versions must be plainly 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-08-29 02:29  AsyncProcessor\
     目录           0  2010-08-26 21:15  AsyncProcessor\App_Data\
     文件        5303  2010-08-29 02:29  AsyncProcessor\AsyncProcessManager.cs
     文件        4912  2010-08-26 22:30  AsyncProcessor\AsyncProcessor.csproj
     文件        1360  2010-08-26 22:30  AsyncProcessor\AsyncProcessor.csproj.user
     文件        3619  2010-08-29 01:30  AsyncProcessor\AsyncProcessorDetail.cs
     目录           0  2010-08-26 21:55  AsyncProcessor\bin\
     文件       17920  2010-08-29 02:29  AsyncProcessor\bin\AsyncProcessor.dll
     文件       46592  2010-08-29 02:29  AsyncProcessor\bin\AsyncProcessor.pdb
     目录           0  2010-08-29 02:29  AsyncProcessor\controls\
     文件        2432  2010-08-28 22:19  AsyncProcessor\controls\asyncProcessingMonitor.ascx
     文件        4878  2010-08-29 02:29  AsyncProcessor\controls\asyncProcessingMonitor.ascx.cs
     文件        5935  2010-08-28 22:39  AsyncProcessor\controls\asyncProcessingMonitor.ascx.designer.cs
     文件        1047  2010-08-26 23:21  AsyncProcessor\Default.aspx
     文件        3203  2010-08-28 23:25  AsyncProcessor\Default.aspx.cs
     文件        2217  2010-08-26 22:12  AsyncProcessor\Default.aspx.designer.cs
     目录           0  2010-08-28 22:52  AsyncProcessor\images\
     文件       89668  2010-08-26 23:24  AsyncProcessor\images\async1.jpg
     文件      133875  2010-08-28 22:50  AsyncProcessor\images\async2.jpg
     文件      144749  2010-08-28 22:52  AsyncProcessor\images\async3.jpg
     文件        1522  2010-08-26 21:47  AsyncProcessor\images\pleasewait.gif
     目录           0  2010-08-26 21:15  AsyncProcessor\obj\
     目录           0  2010-08-29 02:29  AsyncProcessor\obj\Debug\
     文件         340  2010-08-26 21:55  AsyncProcessor\obj\Debug\AsyncProcessor.csproj.FileListAbsolute.txt
     文件       17920  2010-08-29 02:29  AsyncProcessor\obj\Debug\AsyncProcessor.dll
     文件       46592  2010-08-29 02:29  AsyncProcessor\obj\Debug\AsyncProcessor.pdb
     目录           0  2010-08-26 21:15  AsyncProcessor\obj\Debug\TempPE\
     文件        3403  2010-08-28 22:39  AsyncProcessor\ProcessorExample.cs
     文件        3729  2010-08-28 22:39  AsyncProcessor\ProcessorTemplate.cs
     目录           0  2010-08-26 21:15  AsyncProcessor\Properties\
     文件        1403  2010-08-26 21:15  AsyncProcessor\Properties\AssemblyInfo.cs
............此处省略2个文件信息