Re: [xsl] Non-existing node

Subject: Re: [xsl] Non-existing node
From: Francis Norton <francis@xxxxxxxxxxx>
Date: Mon, 17 Sep 2001 10:37:06 +0100

"Casadome, Francisco Javier" wrote:
> 
> 
> Ok, but the parser has to compare against something, so my question is
> if there's any reserved word or something to refer to an empty-nodeset.
> Let's say the reserved word is "ENS" (Empty Node Set), that way you could
> write something like this:
> 
>         <xsl:if test="Parent/MyNode=ENS">...</xsl:if>
> 
> To select all "Parent" nodes that don't have a "MyNode" child.
> Maybe it's just me... sometimes I just can't see the easy way to solve
> problems :)
> 
Ah, if your question is "how I can tell if a nodeset is empty?" then one
answer is

	<xsl:if test="count(Parent/MyNode)=0">...</xsl:if>

HTH -

Francis.

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