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Dlookup

Posted on 2016-08-15
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Hello, I am trying to substract 2 separate values in the following but I get a #error.  I imagine its a paren but not sure where.  thank you in advance.  

=DLookUp("Amount_ Aggregate","tblDraws","ID=" & [DrawIDrpmt])-DLookUp("Amount","tblDraws_Details1","DrawIDrpmt=" & [ DrawIDrpmt])
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Question by:pdvsa
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Expert Comment

by:Ryan Chong
ID: 41756030
you may break down your function into 2 parts...

first using your first part of function and see what was being returned?
=DLookUp("Amount_ Aggregate","tblDraws","ID=" & [DrawIDrpmt])

Open in new window

similarly, do the same for the 2nd function:
=DLookUp("Amount","tblDraws_Details1","DrawIDrpmt=" & [ DrawIDrpmt]) 

Open in new window

this will give you clue which part is getting an error and let you handle that error more efficiently.
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Ryan Chong earned 2000 total points
ID: 41756031
noticed that there was a space for "Amount_ Aggregate" ?
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Expert Comment

by:hnasr
ID: 41756138
I imagine its a paren
Or missing Operator?

The first argument in DLookup is an expression where vba checks for missing operators.

DLookup ("x + 2", ...: Expression to look for value of field x + 2.

In what Rayan assumed, your code assumes, because of a space in the name,  a missing operator between assumed fields: "Amount_" and "Aggregate".
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Author Closing Comment

by:pdvsa
ID: 41756148
That was it.  Thank you
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