sum across worksheets conditionally

[Celia]

I have about 50+ worksheets in a file that I need to sum. However, I only
want to sum some of the sheets if it meets a certain criteria. This criteria
is located in a separate worksheet in the file that lists each worksheet name
in one column and in the next column it list the type of worksheet. If a
worksheet is of a certain type I need the sum of those types.


Celia

 

[JB]

http://boisgontierjacques.free.fr/fichiers/Matriciel/Sum3DCond.xls

Named range
cond $H$2:$H$8
nf $G$2:$G$8
nfCond =OffSet($J$2,,,CountIf($J$2:$J$12,"><"&""))

=SumProduct(SumIfI(INDIRECT("'"&nfCond &"'!B2"),"<>0"))

JB
http://boisgontierjacques.free.fr/

 

[JB]

or

=SumProduct(N(INDIRECT(nfCond&"!B2")))

JB

http://boisgontierjacques.free.fr/fichiers/Matriciel/Sum3DCond.xls

Named range
cond    $H$2:$H$8
nf      $G$2:$G$8
nfCond  =OffSet($J$2,,,CountIf($J$2:$J$12,"><"&""))

=SumProduct(SumIfI(INDIRECT("'"&nfCond &"'!B2"),"<>0"))

JBhttp://boisgontierjacques.free.fr/




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[Celia]

Thank you so much. I am not sure if I completely understands how or why it
works but I really appreciate your help.

 

[Celia]

I used the formula and it worked for one cell in the worksheet. THere is a
whole bunch of data that I want to sum in each of the worksheets. How do I
get the Cell B2 in your example to auto change as I copy the formula ex. so
that I can sum b3, b4 ,b5, ....

 

[JB]

Formula in B2:
=SumProduct(N(Offset(INDIRECT(nfCond&"!B2"),Row()-2,Column()-2)))

http://boisgontierjacques.free.fr/fichiers/Matriciel/Sum3DCond2.xls

JB