cheers quick and dirty worked like a dream 
I had assumed it was ByVal and not ByRef . lol

This is extremely useful bit of knowledge and will save me countless 
headaches :). 

cheers Russ. 

"Joris Gillis" wrote:

> On Fri, 02 Jun 2006 11:50:02 +0200, Russ <Russ@d...>  
> wrote:
> 
> > Ok My problem is I am passing a param that is equal to the value of an
> > element ie CAP1.
> 
> In fact you're passing a node as a parameter. But anyway, I don't think it  
> matters.
> 
> The problem is the context node. Each xpath expression is evaluated with  
> respect to a context node.
> 
> <xsl:for-each select="hea/Batch/Rec[not(listID =  
> preceding-sibling::Rec/listID)]">
> <!-- the context node is a 'Rec' element here-->
>            <xsl:call-template name="Batch">
>               <xsl:with-param name="DataType" select="listID"/>
>            </xsl:call-template>
> </xsl:for-each>
> 
> 
> <xsl:template name="Batch">
> <!-- the context node is still a 'Rec' element here-->
> 
> <xsl:for-each select="hea/Batch/Rec[sec='Daily' and listID =
> $DataType]">
> </xsl:for-each>
> 
> </xsl:template>
> 
> So you're actually matching for 'hea/Batch/Rec/hea/Batch/Rec[sec='Daily'  
> and listID = $DataType]'
> 
> A quick and dirty solution is to use '//hea/Batch/Rec[sec='Daily' and  
> listID = $DataType]'.
> 
> Better is to use keys...
> 
> regards,
> -- 
> Joris Gillis (http://users.telenet.be/root-jg/me.html)
> Veni, vidi, wiki (http://www.wikipedia.org)
>