testing for null string in a node

[mxmodi@xxxxxxxxxxxxxxx]

Hi,

I want to be able to test if the value of a certain node is empty and
depending on the result, perform more functions. I am having some troublwe
understanding how to test for that. Any help is appreciated.

Here is the sample XML:


<root>
<Names>
  <Name>
    <FN>aaa</FN>
    <LN>bbb</LN>
    <Dates>
      <Date>
        <Begin>11/11</Begin>
        <End>12/11</End>
           <Projects>
              <Project>
     <Name>proj a</Name>
     <Code>abc-123</Code>
              </Project>
           ........More <Project> Nodes
           </Projects>
      </Date>
       .....more <Date> Nodes
    </Dates>
  </Name>
    ...........more <Name> Nodes
</Names>
</root>


Here is the sample XSL:

<xsl:template match="/">
...perform some code...
<xsl:apply-templates select="//Names/Name" >
<xsl:sort select="FN" />
</xsl:apply-templates>
</xsl:template>

<xsl: template match="Name">
<xsl:choose>
<xsl:when test="*[not(child::FN)]">
...do something...
</xsl:when>
<xsl:otherwise>
...do something else...
</xsl:otherwise>
</xsl:choose>

...continue doing rest of the stuff..
</xsl:template>



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