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How to check to see if IW value exists

System

I need to be able to check to see if an Iw_value name field exists. There are times when it will be empty and the field is a date field that is being reformatted via a ColdFusion call to the TPL. It seems to me when fields are empty, Teamsite does not return any values - how can I check for this in CF or TS?

<CFIF (#Parameterexists('{iw_value name="philresults.Philadelphia Date" /}')#)>

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Comments

Adam Stoller

Not sure if this is what you're asking for - but in the PT you could put the [intended] value extracted from the DCR into a Perl variable and then use a conditional to determine whether or not it makes sense to use it for generated output.

You could probably do the same thing with an <iw_if> clause if you don't want to use Perl, I just find Perl more intuitive.

--fish
(Interwoven Senior Technical Consultant)

Migrateduser

The IF statement doesnt seem to work because Teamsite does not return the value since its empty, thus trapping it does not work. I must be ab le to trap it so I can have Coldfusion skip the date formatting statement. CF returns an error because the varible does not exist.

My if statement is below

<iw_if expn='{iw_value name="philresults.Philadelphia Date" /} eq " " '>

MattP

I *think* your if statement is checking to see if the value is eq to "space". All you need is...

<iw_if expn='{iw_value name="philresults.Philadelphia Date" /}'>
<iw_then>
do something
</iw_then>
<iw_else>
do something else...or nothing
</iw_else>
</iw_if>

Matt

Matthew Petitjean
BOC Group
Murray Hill, NJ 07974 USA