Re: [xsl] Checking a parent's attribute

[Nicholas Orr <nick@xxxxxxxxxxx>]

On 07/02/2007, at 4:07 PM, G. Ken Holman wrote:

> > <xsl:for-each select="ExportEntries">
> >         <xsl:if test="../Restore/@state = 'True'">
> >                 <xsl:for-each select="ExportEntry/Field">
> >
> > This works as I want, but to me it doesn't seem to be the best way.
> > Is there a better way to do that kind of check?  I want to restrict
> > it to the "ExportEntries" node first, as there are only a limited
> > number of times that that node will exist, and the "Restore state"
> > node is often there for other things, so I think I'm being more
> > efficient doing it this way.  Am I doing this right?
>
> You use a predicate to achieve this:
>
>   <xsl:for-each select="ExportEntries[../Restore/@state='True']/
>                         ExportEntry/Field">
>     ...
>   </xsl:for-each>
>
> I hope this helps.

That was exactly what I was after, I didn't realise I could do that.   
Thanks for your help Ken.

Cheers,
Nick