intersection

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alexei 21 posts 40 karma points

Nov 03, 2009 @ 00:10

Tell me, please, somebody what to do with this error

Error occured System.ArgumentNullException: Value cannot be null.

Parameter name: type

at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)

at umbraco.presentation.xslt.Exslt.ExsltCommon.ExsltNodeListToXPathNodeIterator(ExsltNodeList list)

at umbraco.presentation.xslt.Exslt.ExsltSets.intersection(XPathNodeIterator nodeset1, XPathNodeIterator nodeset2)

<xsl:copy-of select="Exslt.ExsltSets:intersection('1224','1223')"/>

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Dirk De Grave 4541 posts 6021 karma points MVP 3x admin c-trib

Nov 03, 2009 @ 08:56

0

Alexei,

the intersection method accepts XPathNodeIterator objects for both parameters, yours are just strings.

Cheers,

/Dirk

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alexei 21 posts 40 karma points

Nov 03, 2009 @ 20:06

0

Dirk, is it contains() the only choice for me to compare two strings in xslt inside Umbraco?

Where can I get information about this functions except wiki?

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Dirk De Grave 4541 posts 6021 karma points MVP 3x admin c-trib

Nov 04, 2009 @ 08:52

1

Alexei,

Depends on what you define as "comparing two strings"? Anyway, if you can't find an existing library function that does what you need, you could either write a small inline script or an xslt extension. Can't find useful resource on the wiki regarding xslt extenions, but you may find a howto here.

Hope this helps.

Regards,

/Dirk

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alexei 21 posts 40 karma points

Nov 04, 2009 @ 14:47

0

Dirk, thanks I'll try to study your links and suggestions

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