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RE: defaulting empty node to zero
- From: "Michael Kay" <michael dot h dot kay at ntlworld dot com>
- To: <xsl-list at lists dot mulberrytech dot com>
- Date: Thu, 30 May 2002 15:03:23 +0100
- Subject: RE: [xsl] defaulting empty node to zero
- Reply-to: xsl-list at lists dot mulberrytech dot com
>
> Summing is a bit harder; you may not be able to use a trick
> like this at
> all (until XPath 2).
If the magic value for empty nodes is zero, it's easy - just exclude
them from the set of nodes being summed using a filter:
sum(taxAmount[child::node()]).
Michael Kay
Software AG
home: Michael.H.Kay@ntlworld.com
work: Michael.Kay@softwareag.com
>
> Cheers,
> Wendell
>
> At 04:03 PM 5/24/2002, you wrote:
> >I want to find the numeric value of a node. If the node is
> empty (e.g.:
> ><taxAmount/>) I want zero. I also want zero when applying
> sum() to the
> >same or a set of similar nodes.
> >Is there a solution to this problem other than setting a
> variable, check
> >the variable = NaN, return the variable or zero?
>
>
> ======================================================================
> Wendell Piez mailto:wapiez@mulberrytech.com
> Mulberry Technologies, Inc. http://www.mulberrytech.com
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