Hi,
Use this:
#IIF(isdefined("form.categories"), "form.categories", de(''))#
Thanks,
Geoffrey Vail Brown
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> -----Original Message-----
> From: Paul Johnston [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 29, 2000 9:20 AM
> To: Cf-Talk
> Subject: Can't work out IIF/IsDefined quirk
>
>
> I got this:
>
> Error Diagnostic Information
>
> An error occurred while evaluating the expression:
>
> #IIF(IsDefined("form.categories"), form.categories, DE(''))#
>
> Error near line 51, column 11.
> ------------------------------------------------------------------
> ----------
> ----
>
> Error resolving parameter FORM.CATEGORIES
>
> The specified form field cannot be found. This problem is very
> likely due to
> the fact that you have misspelled the form field name.
>
> It's supposed to check if it's been defined, and then if it has output it,
> and if it hasn't, output nothing.
>
> IT'S NOT WORKING!
>
> Anyone any idea why?
>
> Paul
>
>
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