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#1
March 31st, 2005, 09:18 AM
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help with lists
i have the following lists
cdr1 = "1,2,3" cdr2 = "1,4" cdr3 = "1,22,434, 54, 23" i am doing an insert and trying to check for the existence of each element in the list with: IsDefined(ListGetAt(FORM['spotLength' & i], j)) where i is the index of cdr and j is the element position when it comes to cdr1, element number 4, the ListGetAt function fails since there is no element at position number 4. how can i bypass that so if there is no element it will insert only NULL thanks for the help in advance
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#2
March 31st, 2005, 09:59 AM
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The problem is that ListGetAt will try to run and then fail in your script whether or not the index is there.
Try doing something like this: Code:
<cfif ListLen(FORM['spotLength' & i]) GTE j> #ListGetAt(FORM['spotLength' & i],j)# <cfelse> NULL </cfif> Hope that helps.
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#3
March 31st, 2005, 10:47 AM
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funny, i tried before you posted. i found a better solution. instead of setting cdr1 = "1,2,3"
i use cdr1 = 1, cdr2 = 2, cdr3 = 3  thanks for the response...
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