Filter xml in .Net with param - vb.net

Question

I am trying to filter an xml file in a .Net application I am developing. Some sample xml below, obviously not the proper xml, but near enough :-)
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Row A1="1" A2="AMS">
<Name>Ashley</Name>
<Team>Team B</Team>
<Date>3/25/2012</Date>
<Value>511681.15</Value>
</Row>
<Row A1="2" A2="AMS">
<Name>Kylie</Name>
<Team>Team A</Team>
<Date>9/28/2010</Date>
<Value>408438.47</Value>
</Row>
<Row A1="3" A2="AMS">
<Name>Gianna</Name>
<Team>Team B</Team>
<Date>40004</Date>
<Value>109709.22</Value>
</Row>
<Row A1="4" A2="AMS">
<Name>Chase</Name>
<Team>Team F</Team>
<Date>40152</Date>
<Value>279018.79</Value>
</Row>
The stylesheet has a param that is set by XsltArgumentList in the application. The param is passed into the stylesheet, but does not filter the xml. I have tried using the ms node-set and exsl node-set but only get the top level root returned. Stylesheet below:
<?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" xmlns:msxsl="urn:schemas-microsoft-com:xslt">
<xsl:output method="xml" indent="yes" encoding="UTF-8" />
<xsl:decimal-format name="NN" NaN="0" />
<xsl:param name="Filter" />
<xsl:template match="/">
<Root>
<xsl:for-each select="exsl:node-set($Filter)">
<Row>
<xsl:attribute name="A1">
<xsl:value-of select="#A1" />
</xsl:attribute>
<xsl:attribute name="A2">
<xsl:value-of select="#A2" />
</xsl:attribute>
<Team>
<xsl:value-of select="Team"/>
</Team>
</Row>
</xsl:for-each>
</Root>
</xsl:template>
The filter i am trying to pass could be using any of the combination of the xml elements. The filter is am currently attempting is below
<xsl:param name="Filter" select="//Row[Team='Team A']" />
But this is just returns
<?xml version="1.0" encoding="utf-8"?>
<Root>
<Row A1="" A2="">
<Team></Team>
</Row>
</Root>
Any help or pointers would be appreciated!
Thanks

Answer 1

This will not woke like you tried it, because you can't have a xpath expression in an XLST parameter or variable. You can use variable or parameter in please of const values.
Therefore you can use something like
<xsl:param name="teamFilter" select="'Team A'" />
...
<xsl:for-each select="//Row[Team='$teamFilter']">
Or if you have to filter for different nodes you may try:
<xsl:param name="filterValue" select="'Team A'" />
<xsl:param name="filterNode" select="'Team'" />
...
<xsl:for-each select="//Row[*[name()= $filterNode and . =$filterValue]]">
Other alternatives would be:
Patch the XSLT before loading it
Use xpath iterator with XPathExpression from .NET.