Subject: Re: how do you determine if a property exists?
From: David Carlisle <davidc@xxxxxxxxx>
Date: Fri, 16 Apr 2004 13:38:47 +0100
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> No, @duration='' will be false if @duration doesn't exist.
sigh, I knew that really. Sorry.
> But you can combine both tests by writing not(@duration!='').
or not(string(@duration)) which does what I was thinking.
David
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Bertrand Sauviat - Fri, 16 Apr 2004 08:19:42 -0400 (EDT)
David Carlisle - Fri, 16 Apr 2004 08:39:36 -0400 (EDT) <=
Passin, Tom - Fri, 16 Apr 2004 10:18:43 -0400 (EDT)
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