> From: Bordeman, Chris [mailto:Chris.Bordeman@xxxxxxxxxxxxxxxxx]
> Sent: Wednesday, August 20, 2008 3:29 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  Function to accept node and name of subnode in parameter
> string
>
> Hi all.  I need to create a 2.0 function that will accept an element()?
> and a xs:string.  The string will contain the name of a subnode of the
> first parameter.
>
> The function will do something like this:
>
> <!-- Given any node and the name of a subnode, returns
>      the nonempty subnode's value or N/A -->
> <xsl:function name="fn:ValueOrNA" as="xs:string">
> 	<xsl:param name="node" as="element()?"/>
> 	<xsl:param name="childelementname" as="xs:string"/>
> 	<xsl:choose>
> 		<xsl:when test="$node and $node/$childname != ''">
> 			<xsl:value-of select="$node/$childname"/>
> 		</xsl:when>
> 		<xsl:otherwise>
> 			<xsl:value-of select="'N/A'"/>
> 		</xsl:otherwise>
> 	</xsl:choose>
> </xsl:function>
>
> But it always seems to return just the second string I pass in, not the
> value of the subnode.

Since you are passing in the name of the subnode you need to test by name.

<xsl:when test="$node and $node/*[local-name() = $childname] != ''">


Andy.