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asp.net: Create a virtual file programmatically, then download it to the clients computer.

Posted on 2010-11-09
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Last Modified: 2012-05-10
I'm trying to programmatically create a .txt file then download it a client's computer. The only condition is that I do not want to save the file to the server; everything has to be virtual.

Here is the Pseudo-code to give you a better idea of what I'm trying to do:

dim file as file
file.type = ".txt."
file.contents("some text")
'Prompt user to then download this file

Really, I'm just expecting a "point in the right direction" rather than an answer. I prefer VB.NET but C# is fine.


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Question by:dcmorrell
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kolakanuru1 earned 2000 total points
ID: 34097352

        Dim buffer As Byte()
        Using memoryStream = New System.IO.MemoryStream()
            buffer = Encoding.[Default].GetBytes("Hello, How are you doing") ' place anything you want here
            memoryStream.Write(buffer, 0, buffer.Length)
            Response.Clear()
            Response.AddHeader("Content-Disposition", "attachment; filename=test.txt")
            Response.AddHeader("Content-Length", memoryStream.Length.ToString())
            Response.ContentType = "text/plain"
            memoryStream.WriteTo(Response.OutputStream)
        End Using
        Response.End()
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Author Closing Comment

by:dcmorrell
ID: 34115317
Thanks.
Is there a guide or tutorial page out there that could elaborate on this process?

I'll use it, but I'd like to have a comprehensive understanding of what I'm doing.
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Expert Comment

by:kolakanuru1
ID: 34122314
Go through response object in MSDN.
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