Hi Alain,
This expression is used in a <xf:output value="" model="" /> element.
I already corrected the confusions between @ref and @value in my page,
and so this is surprising that this doesn't work anymore.
Grégoire
PS : sorry for the previous (incomplete) mail.
Le 02/02/2012 21:01, Alain Couthures a écrit :
> Hello Grégoire,
>
> This error message is displayed when a nodeset is expected and when the
> result of the expression evaluation is not returning a nodeset.
>
> For example, confusing xf:output/@ref and xf:output/@value could produce
> this error.
>
> Could you please tell where this big XPath expression is used?
>
> Thanks!
>
> -Alain
>
> Le 02/02/2012 20:45, Grégoire COLBERT a écrit :
>> Hi!
>>
>> I upgraded to revision 523 and I now get an error during initialization:
>>
>> Binding evaluation didn't returned a nodeset but ' ' for XPath
>> expression: concat( substring(instance('instance-annonces')/annonce[id =
>> instance('instance-annonce-selectionnee')/id]/prix,string-length(instance('instance-annonces')/annonce[id
>>
>> = instance('instance-annonce-selectionnee')/id]/prix)-8, 3) , ' ' ,
>> substring(instance('instance-annonces')/annonce[id =
>> instance('instance-annonce-selectionnee')/id]/prix,string-length(instance('instance-annonces')/annonce[id
>>
>> = instance('instance-annonce-selectionnee')/id]/prix)-5, 3) , ' ' ,
>> substring(instance('instance-annonces')/annonce[id =
>> instance('instance-annonce-selectionnee')/id]/prix,string-length(instance('instance-annonces')/annonce[id
>>
>> = instance('instance-annonce-selectionnee')/id]/prix)-2, 3) )
>>
>> This ugly XPath is used to separate large numbers in (up to) 3 groups of
>> numbers (1234567 is displayed as 1 234 567). I know I could do this
>> differently, but for now, I'd like to know why this doesn't work anymore?
>>
>> Thanks,
>> Grégoire
>>
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