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Hello,I am Andrea and this is my first post in this forum.My big problem is "HOW TO PASS parameters Using XSLT with ASP"The example: I have the stringcat2.asp?Cat=WebMasterthe code ASP for cat2.asp os

<%@ LANGUAGE = JScript %><%  // Set the source and style sheet locations here  var sourceFile = Server.MapPath("prova.xml");  var styleFile = Server.MapPath("categoria.xsl");    // Load the XML   var source = Server.CreateObject("Msxml2.DOMDocument");  source.async = false;  source.load(sourceFile);  // Load the XSL  var style = Server.CreateObject("Msxml2.DOMDocument");  style.async = false;  style.load(styleFile);var objStylesheetParam   =style.addParameter; "mastercategory", Request.QueryString("Cat")    // Repeat the above for as many xsl:param-s as necessarysource.transformNodeToObject(style, Response);%>

my XML to Trasform ishttp://www.allinonenet.it/esempi/prova.xmlans Finaly my XSLT is

<?xml version="1.0" encoding="UTF-8"?><xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:template match="/"><xsl:param name="mastercategory"/>  <table>   <xsl:for-each select="/NewDataSet/Table[MasterCategoria=@mastercategory][not(Categoria = preceding-sibling::Table/Categoria)]">    <xsl:sort select="Categoria" data-type="text" order="ascending"/>    <tr>     <td>      <a href="lista.asp?cid={Categoria}" title="Previous"><xsl:value-of select="Categoria"/></a> </td>     <td>     </td>    </tr>   </xsl:for-each>  </table> </xsl:template></xsl:stylesheet>

My bad result ishttp://www.allinonenet.it/esempi/cat2.asp?Cat=PS%20ONEWhy don't work the code ?I please you to help me, thanksAndrea

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It may be because you have two predicates in this expression:

/NewDataSet/Table[MasterCategoria=@mastercategory][not(Categoria = preceding-sibling::Table/Categoria)]

And as far as I know, only one predicate is allowed per level. If you need to define two or more criterias, use "and" instead like this:

/NewDataSet/Table[MasterCategoria=@mastercategory and not(Categoria = preceding-sibling::Table/Categoria)]

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Hmm... you may need to enclose the values from the right as strings, like this:

/NewDataSet/Table[MasterCategoria=string(@mastercategory) and not(Categoria = string(preceding-sibling::Table/Categoria))]

I'm not exactly sure how to use the not() function, but unless it's critical for the output, you may try this:

/NewDataSet/Table[MasterCategoria=string(@mastercategory) and Categoria != string(preceding-sibling::Table/Categoria)]

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... in this mode the code work

<?xml version="1.0"?><xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"><xsl:output method="html" version="4.0" /> <xsl:param name="mastercategoria"/><xsl:template match="/"><HTML><BODY><h2>Messages for General Group</h2><xsl:apply-templates select="/NewDataSet/Table[MasterCategoria=$mastercategoria and not(Categoria = preceding-sibling::Table/Categoria)]/Categoria" /></BODY></HTML></xsl:template><xsl:template match="Categoria" mode="toc"><DIV STYLE="margin-left:2em"><br></br><xsl:element name="a"><xsl:attribute name="href">viewmessage.asp?id=<xsl:value-of select="@Categoria"/></xsl:attribute><xsl:value-of select="@Categoria"/></xsl:element><br></br><xsl:apply-templates select="Categoria" mode="toc"/></DIV></xsl:template></xsl:stylesheet>

but the problem is display link".http://www.allinonenet.it/esempi/cat2.asp?Cat=PS ONE:-(Andrea

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Are you sure everything is OK with your stylesheet? When I open the link you gave I see the following error:

msxml3.dll error '80004005'The stylesheet does not contain a document element. The stylesheet may be empty, or it may not be a well-formed XML document./esempi/cat2.asp, line 26
And after some "investigation" I found the actual source of your XSLT:
<?xml version="1.0" encoding="UTF-8" ?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"><xsl:variable name="mastercategoria"/> <html><body></body></html></xsl:variable><xsl:template match="/"><xsl:param name="mastercategoria" /><xsl:for-each select="/NewDataSet/Table/Categoria"/>(<xsl:value-of select="$Categoria"/>)</xsl:for-each></xsl:template></xsl:stylesheet>

Where the error is pretty obvious. You have an empty variable called "mastercategoria" and at the same time, a closing variable tag, without opening one. Try to alter the code in your post instead of this one.

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Hello,the code works:

<?xml version="1.0"?><xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"><xsl:output method="html" version="4.0"/><xsl:param name="mastercategoria"/> <xsl:template match="/">	<HTML>  <BODY> 	 <h2>Messages for General Group</h2> 	 <xsl:apply-templates select="NewDataSet/Table[MasterCategoria=$mastercategoria and not(Categoria = preceding-sibling::Table/Categoria)]" mode="toc" />  </BODY>	</HTML></xsl:template>	<xsl:template match="Table" mode="toc">	  <DIV STYLE="margin-left:2em">	<br></br>            <xsl:element name="a">    <xsl:attribute name="href">    viewmessage.asp?id=<xsl:value-of select="Categoria"/>	</xsl:attribute>	<xsl:value-of select="Categoria"/>	</xsl:element>	<table><tr><td colspan="2" width="130" bgcolor="#fff3ff" align="center">                           <xsl:value-of select="Categoria"/>                     </td>                    <xsl:if test="position() mod 3 = 0">                        <!-- Blocco CDATA assieme a codice Javascript -->                        <script>                            <![CDATA[document.write("</tr><tr>");]]>                        </script>                        <!-- FINE Blocco CDATA assieme a codice Javascript -->                    </xsl:if>                </tr>    </table> <xsl:apply-templates select="Table"  mode="toc"/>		</DIV></xsl:template>  </xsl:stylesheet>

Andrea :):):)

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