Description: Asp.net based on the source of the large file upload, large files can be uploaded and the progress bar, etc.
File list (Check if you may need any files):
bigFile
.......\bigFile.csproj
.......\bigFile.csproj.user
.......\bin
.......\...\bigFile.dll
.......\...\bigFile.pdb
.......\...\BigFileUploadHandle.dll
.......\...\BigFileUploadHandle.pdb
.......\Default.aspx
.......\Default.aspx.cs
.......\Default.aspx.designer.cs
.......\obj
.......\...\bigFile.csproj.FileList.txt
.......\...\bigFile.csproj.FileListAbsolute.txt
.......\...\Debug
.......\...\.....\bigFile.dll
.......\...\.....\bigFile.pdb
.......\...\.....\ResolveAssemblyReference.cache
.......\...\.....\TempPE
.......\ProgressBar.aspx
.......\ProgressBar.aspx.cs
.......\ProgressBar.aspx.designer.cs
.......\Properties
.......\..........\AssemblyInfo.cs
.......\Test.aspx
.......\Test.aspx.cs
.......\Test.aspx.designer.cs
.......\Web.config
bigFile.sln
BigFileUploadHandle
...................\BigFileUploadHandle.csproj
...................\BigFileUploadModuleHandle.cs
...................\bin
...................\...\Debug
...................\...\.....\BigFileUploadHandle.dll
...................\...\.....\BigFileUploadHandle.pdb
...................\ClassDiagram1.cd
...................\DataReader.cs
...................\obj
...................\...\BigFileUploadHandle.csproj.FileList.txt
...................\...\BigFileUploadHandle.csproj.FileListAbsolute.txt
...................\...\Debug
...................\...\.....\BigFileUploadHandle.dll
...................\...\.....\BigFileUploadHandle.pdb
...................\...\.....\TempPE
...................\Properties
...................\..........\AssemblyInfo.cs
...................\UploadContext.cs