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test if attribute contains value and proceed

Subject: test if attribute contains value and proceed
From: thomas <thomas.lohbeck@xxxxxx>
Date: Wed, 25 Sep 2002 13:31:01 +0200
xsl if test contains attribute
Hello I need to test if any of the /investitionen/massnahme/@datum has a value in it. if EVERY @datum is filled with an value, proceed.
Something like:


<xsl:if test="/investitionen/massnahme/@datum">
<fo:block>everything is ok!</fo:block>
</xsl:if>

what do I not understand with my newbie brain?


<investitionen> <massnahme datum="Dezember 2002"> <produkte> <produkt id="1"/> </produkte> </massnahme> <massnahme datum="Juni 2005"> <produkte> <produkt id="3"/> </produkte> </massnahme> <massnahme datum="Juni 2006"> <produkte> <produkt id="4"/> </produkte> </massnahme> </investitionen> =OK

<investitionen>
 <massnahme datum="Dezember 2002">
  <produkte>
   <produkt id="1"/>
  </produkte>
 </massnahme>
 <massnahme datum="">
  <produkte>
   <produkt id="3"/>
  </produkte>
 </massnahme>
 <massnahme datum="Juni 2006">
  <produkte>
   <produkt id="4"/>
  </produkte>
 </massnahme>
</investitionen>
=NOT OK

<investitionen>
 <massnahme datum="">
  <produkte>
   <produkt id="1"/>
  </produkte>
 </massnahme>
 <massnahme datum="">
  <produkte>
   <produkt id="3"/>
  </produkte>
 </massnahme>
 <massnahme datum="">
  <produkte>
   <produkt id="4"/>
  </produkte>
 </massnahme>
</investitionen>
=NOT OK



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