Subject: RE: [xsl] check for optional element From: "Michael Kay" <mhk@xxxxxxxxx> Date: Thu, 22 Jan 2004 13:07:36 -0000 |
> -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of > Nikolas Nehmer > Sent: 22 January 2004 09:20 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] check for optional element > > > Hi, > > I want to check if an optional element is present in my XML > document and > if so I want to react to this fact. Write an XPath expression that selects the element if it is present and returns an empty node-set if not. Then use this expression in a boolean context, for example (if the context node is the parent of the optional element): <xsl:if test="optional-element"> Michael Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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