Ken Varn wrote:
> I have an ASP.NET page that incorporates the following code on a
> button press.
>
> private void DownloadTag_Command(object sender, CommandEventArgs
> e) {
> FileStream fs;
> String Filename;
>
> Filename = MapPath(e.CommandArgument as string); // Name of
> file is passed in cmd arg.
>
> fs = File.Open(Filename, FileMode.Open);
>
> byte[] byteBuffer = new byte[fs.Length];
> fs.Read(byteBuffer, 0, (int)fs.Length);
> fs.Close();
>
> Response.AddHeader("Content-disposition", "attachment;
> filename=" + Path.GetFileName(Filename));
>
> Response.ContentType = "application/octet-stream";
> Response.BinaryWrite(byteBuffer);
> Response.End();
> }
>
> When clicking on my download button in IE, the download will call up
> the download file dialog as expected. If I click on Save on the
> download file dialog the file downloads without any problem.
> However, if I click on open, I get a second download file dialog box
> with the same file. Not sure why. If I click on open on this second
> dialog, the file will download and open as expected.
>
> Could someone explain how to eliminate this second download file
> dialog?
I don't know why you get that second dialog.
Your code can be somewhat shorter, when you use the Response.WriteFile
method. You will still need the Content-Disposition, but you don't need
to read in the file yourself.
Hans Kesting
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