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MemoryStream as input to file download?

Posted on 2006-11-30
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Last Modified: 2009-12-16
I tried using a memorystream as input to an xml file download, so I wouldn't have to create a disk file (to then delete)....

            Response.Clear()
            Response.AddHeader("Content-Disposition", "attachment; filename=" & varFileName)
            Response.ContentType = "text/XML"
            '    Response.WriteFile(varFilePath & varFileName)  < the alt way to do it

            ''---  use memorystream
            varMemTab.Position = 0
            Dim wrkStreamReader As New StreamReader(varMemTab, Encoding.UTF8)
            Dim content As String = wrkStreamReader.ReadToEnd()
            ''---- do the write
            Response.WriteFile(content)

....but it gave an http exception error like it was processing the markup in the Response.WriteFile(content) statement.

Might there be a way to make this work?

Any suggestions would be appreciated.

Thanks!

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Question by:codequest
8 Comments
 
LVL 9

Assisted Solution

by:kraffay
kraffay earned 100 total points
ID: 18049272
Make sure that your aspx page doesn't have any HTML markup.
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Author Comment

by:codequest
ID: 18049701
Thanks for input.  I'll give that a try a little later and postback.
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Assisted Solution

by:Solar_Flare
Solar_Flare earned 200 total points
ID: 18049723
also end the response stream after you have written your file to it


Response.End
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Accepted Solution

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nauman_ahmed earned 200 total points
ID: 18054518
WriteFile save the file to disk. To send the file to browser as a download, you have to download the file as a byte array. See if the following helps:

Re: Force File Download XML Problem
http://www.thescripts.com/forum/thread288016.html

--Nauman.
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Author Comment

by:codequest
ID: 18155938
Thanks for input.   Still working my way back to this one.  I'll keep it alive with posts until I fully resolve.
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LVL 2

Author Comment

by:codequest
ID: 18209766
Still working my way back to this...
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LVL 2

Author Comment

by:codequest
ID: 18342915
Still working on this, should get to it soon...
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Expert Comment

by:Bob Learned
ID: 18461332
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I will leave the following recommendation for this question in the Cleanup topic area:
   Accept: nauman_ahmed {http:#18054518}

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

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