Subject: RE: [xsl] Summation and NaN From: "Michael Kay" <mhkay@xxxxxxxxxxxx> Date: Tue, 7 Aug 2001 10:25:01 +0100 |
> When I use the following: > > <xsl:value-of > select="format-number(sum(Borrower[Rank=1]/AssetSet/Asset/Amount), > '$.00')"/> > > the page displays "NaN" when none of the "Amount" elements in > the XML have values. Actually it will display "NaN" when any one of the "Amount" elements has no value. Instead of NaN, I would like the page to display nothing (a blank) Assign the result of sum() to a variable, then use <xsl:choose> to test whether this variable is NaN. You can test for NaN by <xsl:when test="string($total)='NaN'"> or (less readably) by <xsl:when test="$total!=$total"> since NaN is the only value that isn't equal to itself. Mike Kay Software AG XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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