Rails - Nov 2007 - PDF files are being cached in my browser

Hi,

I am generating PDF files and sending them with send_data, like this:

def myaction
    if request.env[''HTTP_USER_AGENT''] =~ /msie/i
      headers[''Pragma''] = ''''
      headers[''Cache-Control''] = ''''
      headers["Expires"] = "-1"
    else
      headers[''Pragma''] = ''no-cache''
      headers[''Cache-Control''] = ''no-cache,
must-revalidate''
      headers["Expires"] = "0"
    end
    send_data pdf_data, :filename => "myfile.pdf", :type =>
"application/pdf"
end

However - they still get cached in the browser. What more must I do for
that not to happen?


Does anybody no - I''m getting desparate.

Thanks
Joerg
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