Does anyone know WHY attachment fields can't be made read-only?

Is it just an oversight, or is there a good reason?

Dwayne Martin
James Madison University

---- Original message ----
>Date: Thu, 13 Dec 2007 13:44:13 -0500
>From: "Sokol, Brian" <[EMAIL PROTECTED]>  
>Subject: Re: Can An Attachment Field Be Made Read Only? (UNCLASSIFIED)  
>To: [email protected]
>
>I tried that and for some reason the error message fires if I change any
>field and try to save the request even if I do not touch the attachment
>field. 
>
>-----Original Message-----
>From: Action Request System discussion list(ARSList)
>[mailto:[EMAIL PROTECTED] On Behalf Of FRANK, GORDON CTR DISA JSSC
>Sent: Thursday, December 13, 2007 1:00 PM
>To: [email protected]
>Subject: Re: Can An Attachment Field Be Made Read Only? (UNCLASSIFIED)
>
>Classification:  UNCLASSIFIED
>Caveats: NONE
>
>You can't use a Change Display action, but you might be able to use an
>error Filter with the syntax:
>
>TR.<Attachment field> != DB.<Attachment field>
>
>I haven't tried it but I'll bet you can. Let me know.
>
>Gordon M. Frank
>DISA\Version FNS
>
>
>-----Original Message-----
>From: Action Request System discussion list(ARSList)
>[mailto:[EMAIL PROTECTED] On Behalf Of Sokol, Brian
>Sent: Thursday, December 13, 2007 12:42 PM
>To: [email protected]
>Subject: Can An Attachment Field Be Made Read Only?
>
>** 
>
>I have an attachment field on a form. Once a file is attached I want to
>prevent anyone from changing or deleting the attachment. I would like
>them to be able to view the attached file. I thought this would be
>simple using the Change Field action and making it Read Only.
>Unfortunately that option is not available for that type of field. I
>know I can hide the field but I would prefer if it was made read only.
>Is this possible?
>
>Brian Sokol
>Manager, Desktop Services
>Scholastic Inc. 
>557 Broadway
>NY, NY 10012
>(212) 343-6494
>http://www.Scholastic.com <http://www.Scholastic.com>  
>
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