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Old March 12th, 2013, 07:51 AM
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Default Problem with XSLT in vb.net

Hi All,

I have written XSlT below:

Code:
 
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:exsl="http://exslt.org/common" extension-element-prefixes="exsl">

<xsl:template match="/">

<xsl:variable name="parent">
<parentid>
<xsl:call-template name="parent">
<xsl:with-param name="parentid" select="//ID"/>
</xsl:call-template>
</parentid>
</xsl:variable>

<xsl:value-of select="$parent"/></xsl:template>

<xsl:template name="parent">
<xsl:param name="parentid"/>
<xsl:choose>
<xsl:when test="count(exsl:node-set($parentid)//objectid/node()|@*) > 1">
<xsl:value-of select="exsl:node-set($parentid)//objectid[count(exsl:node-set($parentid)//objectid/node()|@*) - 1]/text()"/></xsl:when>
<xsl:otherwise>
<xsl:value-of select="exsl:node-set($parentid)//objectid[1]/text()"/></xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
When I am running this in vb.net application, I m getting the error below:

Exception: {0}System.Runtime.InteropServices.COMException (0x80004005): Namespace 'http://exslt.org/common' does not contain any functions.

Could someone please tell me where I am doing wrong.

Regards
Nelly
 
Old March 12th, 2013, 08:09 AM
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Default

Well you are trying to use an extension function and not all extensions are supported by all XSLT processors. The .NET (2.0 and later) XslCompiledTransform is known to support exsl: node-set, other Microsoft XSLT processors don't support that function. So if you are using VB.NET make sure you use System.Xml.Xsl.XslCompiledTransform and not XslTransform or as the COMException suggests, a version of MSXML via COM interop. If you really want to use XslTransform (although obsolete/deprecated since .NET 2.0) or MSXML (why with .NET code?) then you would need to change your XSLT code to use a different Microsoft specific namespace.
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Old March 12th, 2013, 09:34 AM
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Default

Thanks Martin for the reply, It has cleared the things.

Many Thanks
Nelly





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