Re: Re: summing attributes problem

--
Cheers,
Dimitre Novatchev
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Truly great madness cannot be achieved without significant intelligence.
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To invent, you need a good imagination and a pile of junk
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You've achieved success in your field when you don't know whether what
you're doing is work or play

>>   <total><xsl:value-of
>> select="sum(current-group()[self::po/@cases])"/></total>

>with:

><total>
>   <xsl:value-of
>        select="sum(current-group()[self::po]/@cases)"/>
></total>
>
OK. so I replaced that line but I still get the same error message
(FORG0001: Can not convert string "" to a double...)