Subject: RE: [xsl] String comparison From: "Martinez, Brian" <brian.martinez@xxxxxxxxxxx> Date: Mon, 13 Oct 2003 10:09:03 -0600 |
> From: Archana Rao [mailto:archana_heroor@xxxxxxxxx] > Sent: Monday, October 13, 2003 9:25 AM > Subject: [xsl] String comparison > > > Hi, > > I am trying to comparing to see is a string is null, > > I have a param named userid, i want to check to see if > '$userid' is not null. > > I tried <xsl:if test="$userid!=''>, this does'nt seem > to help. Assuming that line wasn't a direct paste from your stylesheet (because it's missing a closing double quote on the test attribute), then I would need to see more of your stylesheet (and sample XML) before commenting further. I would point out, however, that XSLT/XPath has no concept of "null"--it is possible to return an empty string, an empty node-set, or NaN (not a number), but null is not defined. cheers, b. | brian martinez brian.martinez@xxxxxxxxxxx | | lead gui programmer 303.357.3548 | | cheap tickets, part of trip network fax 303.357.3380 | | 6560 greenwood plaza blvd., suite 400 englewood, co 80111 | | cendant travel distribution services http://www.cheaptickets.com/ | XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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