Some people will no doubt show you a better way, but the quick a dirty
way is to do this: isDefined(evaluate(url.Task#i#)) 

Chris


-----Original Message-----
From: Richard White [mailto:[EMAIL PROTECTED] 
Sent: Thursday, November 02, 2006 12:57 PM
To: CF-Talk
Subject: url variables

hi, i have a page that submits values to a form as follows:

var sendString = "rowNum=" + taskGrid.getRowsNum(); for
(i=1;i<=taskGrid.getRowsNum();i++)
{
  sendString = sendString + "&Task" + a +"=" + taskGrid.cells(i,
1).getValue();
  a++;
}

(new Image()).src = "updater.cfm?" + sendString;

Therefore the update.cfm page will recieve:

url.Task1 = ...
url.Task2 = ...
url.Task3 = ...
etc... 

and will contain x amount of tasks in the url variable dependant on how
many rows  there are in the grid

The problem i am having is that i want to reference them in the
update.cfm page             like this

<cfloop index="i" from="1" to="#url.rowNum#">
  <cfif isdefined("url.Task" & i)/>
  </cfif>
</cfloop>

but it keeps giving me an error as it isnt recocognising
isdefined("url.Task" & i) of course if i change this to
isdefined("url.Task1") then it works fine.

is there are way that i can concertanate the url.Task with the value of
i and access the url.Task1

i would appreciate any help with this

thanks



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