Conditioned Sum in RDLC Reports

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Hi all,

Could someone provide a method to make conditional sum on each row of a table in rdlc bound to a dataset. Here's the code I'm currently using in the expression:

=Fields!InitialAmount.Value + SUM(IIf(Fields!RowNumber.Value<=Fields!RowNumber.Value, Fields!TotalPrice.Value, 0), "ClientBalanceSheetDataSet") - SUM(IIf(Fields!RowNumber.Value<=Fields!RowNumber.Value, Fields!Amount.Value, 0), "ClientBalanceSheetDataSet")

Posted 4-Feb-13 19:59pm

AR1988

Updated 27-Jul-18 2:35am

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Matej Hlatky 6-Feb-13 9:30am

And where is the problem?
You are using good approach with nested Iif. If you have problem with SUMming values, try to use "0D" instead of "0", when working with decimals ("money" data type).

AR1988 8-Feb-13 4:12am

Tried this didn't work #Error is shown in the field. Is there a way to debug this function in rdlc reports?

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Member 13928118 · Answer 1 · 2018-07-27T02:36:00

Solution 1

Exactly the kind of code i needed, conditional sum :D
It gave me an '#Error' too though, but I figured it out.

The 'IIf' does not return a type that can be summed, it needs to be converted.
I used decimals.
SUM(CDec(IIf(....)))

Posted 27-Jul-18 2:36am

Member 13928118