download file in iframe in IE

Posted by Estelle on Stack Overflow See other posts from Stack Overflow or by Estelle
Published on 2010-04-20T15:30:50Z Indexed on 2010/04/20 15:33 UTC
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iframe

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response.write

in a webpage I have a link to let the user download file, such as,

"showfile.aspx?filename=xxx"

in showfile.aspx, I send the file using Response.OutputStream.Write method.

now I get some problem when somebody put this webpage in an IFrame and open in IE, as I checked the code, showfile.aspx is requested twice when clicks the link, and in the second time the cookies of authorization and session Id are missing. I tried to add the p3p header but not working.

my question is, is this how the IE designed with iframe? is there anyway to work around? thanks.

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