Re: [xsl] Printing a value if an attribute does not exist

[Jurn Ho <jurn@xxxxxxxxxxxxxxxx>]

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.s.eberhart@xxxxxxxxxxx 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[@name="VA"] exists
>    print value of region[@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[@name="VA"] exists
>    print value of region[@name="VA"]
> else
>    print "0.0"
>
> Thanks
>
> Mike