如何实现在asp.net文件下载 [英] How to implement a file download in asp.net

问题描述

什么是使用来实现，从网页下载行动的最佳途径asp.net 2.0？

What is the best way to implement, from a web page a download action using asp.net 2.0?

日志的操作文件是在一个名为[应用程序根]目录/日志创建。我有充分的路径，并希望提供一个按钮，当按下将从IIS服务器的日志文件下载到用户本地PC。

Log files for a action are created in a directory called [Application Root]/Logs. I have the full path and want to provide a button, that when clicked will download the log file from the IIS server to the users local pc.

推荐答案

这是否帮助：

<一个href=\"http://www.west-wind.com/weblog/posts/76293.aspx\">http://www.west-wind.com/weblog/posts/76293.aspx

Response.ContentType = "application/octet-stream";
Response.AppendHeader("Content-Disposition","attachment; filename=logfile.txt");
Response.TransmitFile( Server.MapPath("~/logfile.txt") );
Response.End();

Response.TransmitFile是发送大文件的接受的方式，而不是Response.WriteFile。

Response.TransmitFile is the accepted way of sending large files, instead of Response.WriteFile.

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