Believe it or not, browsers are supposed too be able to do this. According
to W3C the input attribute "accept" should be able to be applied which would
filter out results. Unfortunately most browsers don't follow this feature. I
think Opera is the only one that actually does this. Which is very unlike
Opera.

See
http://www.w3.org/TR/html401/interact/forms.html - 17.4 The INPUT element

You should be able to do this...

<cfinput name="uploadAFile" type="file" accept="application/pdf">


-----Original Message-----
From: Ian Skinner [mailto:[email protected]] 
Sent: Wednesday, July 01, 2009 5:01 PM
To: cf-talk
Subject: Re: cfinput question


Les Irvin wrote:
> I'm using the <cfinput type="file"> tag to upload pdfs to the server.
> Is there a way in Cold Fusion to, when the file upload / browse dialog
> comes up, restrict it to only show pdf files?  Or is that an operating
> system / java / something else function?
>
> Thanks in advance,
> Les

Yup that is an operating system/ Java / Something else function.  
Browsers do not support this type of functionality.



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