No,

Your logic is back to front.

<cfif NOT Len(trim(instructorid)) AND NOT Len(trim(lastname)) AND
Len(trim(firstname))>

OR

<cfif Len(trim(instructorid)) eq 0 AND Len(trim(lastname)) AND
Len(trim(firstname)) eq 0>

Regards
Dale Fraser

http://dalefraser.blogspot.com



-----Original Message-----
From: Eric Roberts [mailto:[EMAIL PROTECTED] 
Sent: Friday, 20 July 2007 12:01 PM
To: CF-Talk
Subject: RE: How do I properly check for an empty string?

Not knowing what your data is, but could it potentially contain something
like a line feed or a carriage return?  That would come up as a 0 length
string that still has length...

Eric

-----Original Message-----
From: Will Tomlinson [mailto:[EMAIL PROTECTED] 
Sent: Thursday, July 19, 2007 12:14 PM
To: CF-Talk
Subject: Re: How do I properly check for an empty string?

I tried 

<cfif Len(trim(instructorid)) AND Len(trim(lastname)) AND
Len(trim(firstname))

And rows of empty strings still get thru to <cfelse> and added to the query.


There's somethin I'm not seeing here...

Thanks,
Will





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