> #iif(IsDefined("myCClist") AND myCClist IS NOT "",
> DE("cc=""#myCClist#"""),
> DE(""))#
Some have suggested that the AND in your IIF condition clause is what causes
this problem and is probably true if you are using CFServer 4 or earlier. I
don't remind when Allaire fixed this but I know that CFServer 4.5.2 allows
you to do IsDefined("x") AND x EQ whatever because if isDefined() returns
false then the remaining tests in the condition don't get evaluated because
it becomes the result will automatically yield false. My guess would be that
it is the DE("#myVar#") within the IIF that is causing the error.
IIF does an evaluate for it's returned data, by using DE() you are
preventing the evaluation from happening. But then in that DE() you are
asking CF to evaluate the variable myCClist. The way CFServer processes
this, that's from my own experience (please correct me if I'm wrong) is that
CFServer will first convert the content of the DE() into a constant before
evaluating the whole IIF statement, which in turns yields an error if
myCClist is not defined.
Since you're using a CFMAIL you probably don't want some white spaces and
that's probably why you chose to use IIF rather than CFIF.
I would suggest you do this:
Put this outside the CFMAIL tag
<CFPARAM NAME="VARIABLES.myCClist" DEFAULT="" TYPE="string">
replace your IIF with:
#iif( len(myCClist) GT 0, DE("cc="), DE(""))##myCClist#
This will give you the result you expected. Also, when comparing a String to
the empty string Macromedia suggests that using len() is faster than the
"IS" or "EQ" operator.
Hope this helps,
Marc Campeau
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