Re: [xsl] alternate row color in a table

Subject: Re: [xsl] alternate row color in a table
From: Jason Trépanier <jtrepanier@xxxxxxxxxxx>
Date: Thu, 10 Mar 2005 15:46:36 -0500
How can a real "alternate row color in XSLT" be done??
I'll outline the problems with examples below, but I am hoping
someone will offer a solution to this problem.

The problem with using position() to alternate rows; is that if you are doing a query
on the data, you are not getting the data order. Selectively choosing data will mess up
the row colors because there are missing positions.

<?xml version="1.0" encoding="ISO-8859-1" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="";>
<xsl:output method="html" encoding="ISO-8859-1" indent="yes"/>

<xsl:param name="keyword">none</xsl:param>

<xsl:template match="/">
    <xsl:for-each select="//books">
    <xsl:sort order="ascending" select="title"/>
    <xsl:if test="title/*= $keyword">
    <table width="100%"  border="0" cellspacing="0" cellpadding="0">
	<tr class="myBkgnd_{position()  mod 2}">

        <td width="*" class="pad">
            <xsl:value-of select="title" />

if you pass this a keyword, it will display the results, however, seeing
as how the results are not in sequential order, the position() does not work
as one may wish. You will end up with several <tr>'s that are style1 and
several <tr>'s that are style2 (in whatever order).

so lets take an example

say you have an xml file with this

	<title>Book A</title>
	<title>Pamphlet 1</title>
	<title>Book B</title>
	<title>Book C</title>
	<title>Pamphlet 2</title>

and your keyword is "Book", the results will show

Book A (with style1) - actual position value = 1
Book B (with style1) - actual position value = 3
Book C (with style2) - actual position value = 4

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