Re: [xsl] Summation and NaN

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

Katie,

<xsl:variable name="sum" select="sum(Borrower[Rank=1]/AssetSet/Asset/Amount)"/>
<xsl:choose>
  <xsl:when test="$sum">
    <xsl:value-of
      select="format-number($sum, '$.00')"/>
  </xsl:when>
  <xsl:otherwise>&#160;</xsl:otherwise>
</xsl:choose>

That's a clean way to do it. It'll give the space if your sum is either 0 
or NaN. If you want "$0.00" when it's 0, change the test to "$sum or ($sum=0)".

Others may come up with more magical ways.

Enjoy,
Wendell

At 06:01 PM 8/6/01, you wrote:
> When I use the following:
>
> <xsl:value-of 
> select="format-number(sum(Borrower[Rank=1]/AssetSet/Asset/Amount), '$.00')"/>
>
> the page displays "NaN" when none of the "Amount" elements in the XML have 
> values.  Instead of NaN, I would like the page to display nothing (a 
> blank) if no asset "Amount" values are returned in the XML.  How do I do this?
>
> Thanks,
> Katie
>
>
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