asp.net 无刷新上传（多文件/单文件）

无刷新上传

using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

// 有关程序集的常规信息通过下列特性集
// 控制。更改这些特性值可修改
// 与程序集关联的信息。
[assembly: Assemblytitle（“QuickUpload“）]
[assembly: AssemblyDescription（““）]
[assembly: AssemblyConfiguration（““）]
[assembly: AssemblyCompany（““）]
[assembly: AssemblyProduct（“QuickUpload“）]
[assembly: AssemblyCopyright（“版权所有（C）  2016“）]
[assembly: AssemblyTrademark（““）]
[assembly: AssemblyCulture（““）]

// 将 ComVisible 设置为 false 会使此程序集中的类型
// 对 COM 组件不可见。如果需要从 COM 访问此程序集中的某个类型，
// 请针对该类型将 ComVisible 特性设置为 true。
[assembly: ComVisible（false）]

// 如果此项目向 COM 公开，则下列 GUID 用于类型库的 ID
[assembly: Guid（“11fb6e56-e3f3-4225-a927-e6d83af779bc“）]

// 程序集的版本信息由下列四个值组成:
//
//      主版本
//      次版本
//      内部版本号
//      修订号
//

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-07-05 12:34  QuickUpload\
     文件        1002  2016-07-05 12:15  QuickUpload.sln
     文件        4838  2016-07-05 12:16  QuickUpload\AJAX方式.txt
     目录           0  2016-07-05 12:17  QuickUpload\bin\
     文件        4096  2016-07-05 12:17  QuickUpload\bin\QuickUpload.dll
     文件         394  2016-07-05 12:32  QuickUpload\bin\QuickUpload.dll.config
     文件        7680  2016-07-05 12:17  QuickUpload\bin\QuickUpload.pdb
     文件        4830  2016-07-05 12:16  QuickUpload\CJL.0.1.min.js
     目录           0  2016-07-05 12:35  QuickUpload\file\
     文件        1007  2016-07-05 12:16  QuickUpload\File.ashx
     文件        1488  2016-07-05 12:16  QuickUpload\Files.ashx
     目录           0  2016-07-05 12:15  QuickUpload\obj\
     目录           0  2016-07-05 12:17  QuickUpload\obj\Debug\
     文件        7965  2016-07-05 12:16  QuickUpload\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件         394  2016-07-05 12:17  QuickUpload\obj\Debug\QuickUpload.csproj.FileListAbsolute.txt
     文件        3320  2016-07-05 12:15  QuickUpload\obj\Debug\QuickUpload.csprojResolveAssemblyReference.cache
     文件        4096  2016-07-05 12:17  QuickUpload\obj\Debug\QuickUpload.dll
     文件        7680  2016-07-05 12:17  QuickUpload\obj\Debug\QuickUpload.pdb
     目录           0  2016-07-05 12:15  QuickUpload\obj\Debug\TempPE\
     目录           0  2016-07-05 12:15  QuickUpload\Properties\
     文件        1324  2016-07-05 12:15  QuickUpload\Properties\AssemblyInfo.cs
     文件        5104  2016-07-05 12:17  QuickUpload\QuickUpload.csproj
     文件        1086  2016-07-05 12:17  QuickUpload\QuickUpload.csproj.user
     文件        9485  2016-07-05 12:16  QuickUpload\QuickUpload.htm
     文件         446  2016-07-05 12:34  QuickUpload\Web.config
     文件        1245  2016-07-05 12:15  QuickUpload\Web.Debug.config
     文件        1306  2016-07-05 12:15  QuickUpload\Web.Release.config