Hi,

> The number of columns depend on the xml: that's how I get this number:
> 
> <xsl:variable name = "years">
> <xsl:value-of select='count(energiebericht/energieverbrauch/@jahr)'/>
> </xsl:variable>
> 
> But How do I put this value into  <tgroup cols="?"> ???

See <http://www.w3.org/TR/xslt#creating-attributes> and <http://www.w3.org/TR/xslt#attribute-value-templates>

--

Jarno - Cenobita: Niño Atómico (Uranio mix)

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