From: http://www.cnblogs.com/stg609/archive/2008/08/07/1262769.html
This topic describes how to upload large files through ASP. NET. The purpose of this topic is to learn and communicate. If you find any errors, please point them out immediately to avoid mistakes.
Main references of this topicArticle:
[1] ASP. NET large file upload Development Summary
[2] ASP. NET ApplicationsProgramLifecycle Overview
[3] sunriseupload.0.9.1 source code analysis (7)
[4] HTTP request processing process
[5] using the htmlinputfile Server Control cannot upload large files
[6] ASP. NET large file upload
Main objectives:
1. Allow upload of hundreds of megabytes of Files
2. Use ajax to display the upload progress
Main Development Platforms: vs. NET 2005 and SQL 2000
Main language: C #
Finally:
1. ASP. NET large file upload topic (1) -- Overview: difficulties in uploading large files
2. ASP. NET large file upload topic (2) -- page generation process
3. ASP. NET large file upload topic (3) -- get data from the request stream and save it as a file [on]
4. ASP. NET large file upload topic (3) -- get data from the request stream and save it as a file [bottom]
5. ASP. NET large file upload topic (4) -- display the upload progress using Ajax technology