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Re: Test for Blank Children

From: Martin Honnen <mahotrash@-----.-->
To: NULL
Date: 8/1/2005 7:47:00 PM

Michael wrote:


> <document>
> 	...
> 	<comments>
> 		<comment>
> 			<author></author>
> 			<reference></reference>
> 			<date></date>
> 			<data></data>
> 		</comment>
> 		...
> 	</comments>
> 	...
> </document>

> How can I check to see if the fields under <comment> are blank?

You want to check whether the child elements of a <comment> element have 
any child nodes themselves so if a <comment> element is the context node 
you can simply check
   <xsl:if test="*/node()">

That should work for the sample you have above. If you also have to deal 
with elements that might contain only white space e.g.
   <data>              </data>
and you consider that as blank too then you need to refine the test e.g.
   <xsl:if test="*/node()[normalize-space() != '']">

-- 

	Martin Honnen --- MVP XML
	http://JavaScript.FAQTs.com/


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