[no subject]

["Tuomas Korppoo" <tkorppoo at hotmail dot com>]

Hi,
I've been trying to create an XSLT document that would calculate the average 
page count of books in an XML document. The problem is that I would like it 
to choose only some of the books, those with a category of XML. Below is a 
sample of the XML document.

<Catalog xmlns="http://www.tempuri.org/dsProducts.xsd";>
	<Book>
		<Title>IE5 XML Programmer's Reference</Title>
		<Authors>
			<Author>Alex Homer</Author>
		</Authors>
		<Publisher>Wrox Press, Ltd.</Publisher>
		<PubDate>August 1999</PubDate>
		<Abstract>Reference of XML capabilities in IE5</Abstract>
		<Pages>480</Pages>
		<ISBN>1-861001-57-6</ISBN>
		<RecSubjCategories>
			<Category>XML</Category>
		</RecSubjCategories>
		<Price>9.99</Price>
	</Book>

As some of you might be guessing by now the issue is combining a variable 
statement, which selects only suitable "Book" elements with a namespace 
declaration. I have made feeble attempts at this. Below is a sample of the 
XSLT that would need to be improved.


<xsl:variable name="xml"
select="//RecSubjCategories[Category = 'XML']"/>
	<xsl:variable name="asp" select="//RecSubjCategories[Category  = 'ASP']"/>
	<table bgcolor="Whitesmoke" title="Stylesheet Template" height="150" 
width="350" align="left"  border="1">
	<th>Avg Pages</th>
	<th><xsl:value-of select="sum($xml/../Pages) div count($xml)"/></th>
	<th><xsl:value-of select="sum($asp/../Pages) div count($asp)"/></th>

Sorry for the messiness of the code. Can't be helped.
So I would wish to somehow include the namespace declaration in the 
statement but so far I have had no success. I know how to use namespaces, 
just not with variables.

Cheers,

Tom









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