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Re: Printing a value if an attribute does not exist

2004-08-23 21:44:10
for if-then-else logic you can use xsl:choose with a single xsl:when and finally a xsl:otherwise.

to test for the existence of an attribute you can use
test="@NAME"
as part of the xsl:when element.

At 01:04 PM 24/08/2004, michael(_dot_)s(_dot_)eberhart(_at_)verizon(_dot_)com 
wrote:




How do you check for the existence of an attribute?

<TIER>
   <REGION NAME="CT">89</REGION>
   <REGION NAME="MD">135</REGION>
</TIER>

What I want to say is:

If region[(_at_)name="VA"] exists
   print value of region[(_at_)name="VA"]
else
   print "0.0"

It is also possible that there will be no REGION elements

<TIER>
</TIER>

I would still want to say:

If region[(_at_)name="VA"] exists
   print value of region[(_at_)name="VA"]
else
   print "0.0"

Thanks

Mike




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