But it executes much faster. > -----Original Message----- > From: Munson, Jacob [mailto:[EMAIL PROTECTED] > Sent: Friday, July 21, 2006 4:22 PM > To: CF-Talk > Subject: RE: am I understanding correctly? > > Here's how I understand iif: If the condition is true, return the 2nd > parameter, otherwise return the 3rd. > > So in your example, if (didquery and didfind) returns true, the code > will evaluate getCust.#i#. Otherwise it will evaluate DE(""). > > iif is basically just a shorter cfif statement, using your example iif, > this would do the same thing: > <cfif didquery and didfind> > <cfset temp = evaluate("getCust.#i#")> > <cfelse> > <cfset temp = ""> > </cfif> > > But that takes a lot more code. > > > -----Original Message----- > > From: Josh Nathanson [mailto:[EMAIL PROTECTED] > > Sent: Friday, July 21, 2006 1:41 PM > > > > I have some code that loops over a list of fields to cfparam some > > attributes. The idea is, if the query (getCust) returns a > > record, set the > > attribute to the query.column value; if no record, set the > > attribute to > > null. After some hacking around I got it to work as desired, > > but I don't > > quite understand how. > > > > <cfset fieldlist = > > "Customer_ID,FirstName,LastName,Email,Address1,Address2,City,S > > tate,State2,Zip,Country,Phone"> > > <cfloop list="#fieldlist#" index="i"> > > <cfset temp = iif(didquery and didfind, "getCust.#i#", DE(""))> > > <cfparam name="attributes.#i#" default="#temp#"> > > </cfloop> > > > > What I don't get is how iif works. It seems to do the following: > > - Doesn't evaluate "getCust.#i#" when the page is compiled > > - Assuming the iif conditional evaluates true, when the list > > is looped, > > first evaluates just the "#i#" in "getCust.#i#" to return the > > proper field > > name, then evaluates the variable "getCust.FirstName" (for > > example) to > > return the correct value. So there is sort of a double > > evaluation going on. > > > > Am I understanding iif correctly or does someone have a > > better explanation > > as to how it works. The docs are kind of hard to fathom. > > This transmission may contain information that is privileged, confidential > and/or exempt from disclosure under applicable law. If you are not the > intended recipient, you are hereby notified that any disclosure, copying, > distribution, or use of the information contained herein (including any > reliance thereon) is STRICTLY PROHIBITED. If you received this > transmission in error, please immediately contact the sender and destroy > the material in its entirety, whether in electronic or hard copy format. > Thank you. A1. > > > >
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