Respons-File Download

From: http://www.cnblogs.com/PingFang/archive/2007/08/15/857009.html
UpdateName = Server. MapPath ("OnLoadDate \" + UpdateName); // download file path
FileInfo file = new System. IO. FileInfo (UpdateName );
Response. Clear ();

Response. Charset = "GB2312 ";

Response. ContentEncoding = System. Text. Encoding. UTF8;

// Add the header information and specify the default file name for the "download/Save as" dialog box

Response. AddHeader ("Content-Disposition", "attachment; filename =" + Server. UrlEncode (file. Name ));

// Add header information and specify the file size so that the browser can display the download progress.

Response. AddHeader ("Content-Length", file. Length. ToString ());

// Specify a stream that cannot be read by the client and must be downloaded.

Response. ContentType = "application/zip ";

// Send the file stream to the client

Response. WriteFile (file. FullName );

// Stop page execution
Response. End ();