Question : Aggregate

I would like to return query below with the additional column which multiplies one of the column called "CalculatedRate" with previous record of the same column.  (Initial previous value is 1)

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Dim DividendList4Final = From dividendItem In DividendList4Update
Select dividendItem


Here is the part I could do with For but I would like to do this in Linq and want to see it in same result
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                Dim rate As New List(Of Double)
                Dim currentRate As Double = 1
                For Each dividendItem In DividendList4Final
                    currentRate *= dividendItem.dividendCalculatedRate
                    rate.Add(currentRate)
                Next


Thank you for your time and attention
Attachments:
 
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multiply
multiply
 

Answer : Aggregate

Try this on second row

=RunningValue(field!<valuefield name goes here>,Sum, Nothing"

and if that doesn't work then just use a regular sum

=Sum(field!<valuefield name goes here>)
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