xls file download function instance

Source: Internet
Author: User

Asp tutorial. net xls file download function example
Provides two tutorial c files to download the instance code. If you directly connect to the xls file, it will be opened in the browser. Now we use. net to download the instance.

Private void page_load (object sender, system. eventargs e)
If (! Page. ispostback)
String filepath = "d: www.bKjia.c0m.xls ";
// Filepath = "d: test.xls ";
System. io. filestream fs = system. io. file. openread (filepath );
Byte [] filedata = new byte [fs. length];
Fs. read (filedata, 0, (int) (fs. length ));
Fs. close ();

Response. addheader ("content-type", "application/vnd. ms-excel ");

String saveasfilename = "yoursaveasfilename ";
Saveasfilename = encode (saveasfilename );
// Saveasfilename = httputility. urldecode (saveasfilename, system. text. encoding. getencoding ("shift-jis "));
Response. addheader ("content-disposition", "inline; filename =" + saveasfilename );

Response. addheader ("content-length", filedata. length. tostring ());
Response. binarywrite (filedata );
Response. end ();

// Method 2

Public static void downloadfile (string filepath)
String str = httpcontext. current. request. servervariables ["appl_physical_path"];
String path = str + "www. bKjia. c0m" + filepath;
Fileinfo file = new fileinfo (path );
Httpcontext. current. response. contentencoding = system. text. encoding. getencoding ("UTF-8"); // solves Chinese garbled characters
Httpcontext. current. response. addheader ("content-disposition", "attachment; filename =" + httpcontext. current. server. urlencode (file. name); // solves Chinese file name garbled characters
Httpcontext. current. response. addheader ("content-length", file. length. tostring ());
Httpcontext. current. response. contenttype = "appliction/octet-stream ";
Httpcontext. current. response. writefile (file. fullname );
Httpcontext. current. response. end ();


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