档案下载ASP.NET [英] File download ASP.NET

问题描述

当我单击ASP.NET中的按钮时，我想将文件下载到我的计算机上，我要使用ASP.NET C#中的代码来实现此目的，也要说明如何使文件可访问，我的意思是

I want when i click a nutton in ASP.NET the file is downloaded to my computer, i want a code in ASP.NET C# to implement this , also about how can the file is made accessible to download,i mean where the file is put to download?

推荐答案

文件可能位于服务器的目录/虚拟目录中.在链接按钮中，具有指向文件的虚拟路径的链接.如果单击浏览器中的链接，则将下载文件.

The file could be in a directory/ virtual directory in your server. In a link button have a link of the virtual path pointing the file. If you click the link in the browser the file will get download.

http://msdn.microsoft.com/en-us/library/aa478985.aspx [ ^ ]

http://aspalliance.com/259_downloading_files__forcing_the_file_download_dialog [ ^ ]

http://msdn.microsoft.com/en-us/library/aa478985.aspx[^]

http://aspalliance.com/259_downloading_files__forcing_the_file_download_dialog[^]

使用此代码

Use this code

string filename = "site.css";// Need actual filename with extension E.g site.css
       Response.ContentType = "application/octet-stream";
       Response.AppendHeader("Content-Disposition", "attachment;filename=" + filename);
       Response.BinaryWrite(System.IO.File.ReadAllBytes(Server.MapPath("~/styles/" + filename)));
       Response.End();

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