[XSL-LIST Mailing List Archive Home] [By Thread] [By Date]

RE: [xsl] check for optional element

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

<xsl:if test="optional-element">

Michael Kay

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list

Current Thread