Re: discrepancy in xpath for ref and nodeset

Posted by Hank Ratzesberger on
URL: https://discuss.orbeon.com/discrepancy-in-xpath-for-ref-and-nodeset-tp43741p43743.html

Pralhad,

One difference is that ref is a "Siongle Node Binding" attribute
so it always binds to just one element:

http://www.w3.org/TR/xforms11/#structure-attrs-single-node

Whereas, nodeset binds to multiple elements:

http://www.w3.org/TR/xforms11/#structure-attrs-nodeset

--Hank


On May 13, 2009, at 3:41 AM, vernekap wrote:

>
> Is there a discrepancy on how we specify xpath for attribute ref and
> attribute nodeset?
>
> I had to specify ref as,
> ref="instance('product-state')/properties/property[name='x.y.z']"
>
> where as for nodeset this did not and after going through examples  
> I got
> that working through:
>
>                 <xforms:itemset
> nodeset="instance('options-instance')//property[@name = 'x.y.z']/
> item">
>                     <xforms:label ref="@label"/>
>                     <xforms:value ref="@value"/>
>                 </xforms:itemset>
>
> Is there any reason behind this?
>
> Pralhad
>
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Hank Ratzesberger
NEES@UCSB
Institute for Crustal Studies,
University of California, Santa Barbara
805-893-8042







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