troubleshooting Question

Dsum - add criteria for [PaymentDate]

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pdvsaFlag for United States of America asked on
Microsoft Access
6 Comments3 Solutions53 ViewsLast Modified:
Experts, how can I modify the below False part (the Dsum) to only sum if tblPayments.[PaymentDate] is not null (meaning the field has a date in it).  The below is in the query design window.  II am not sure if it matters but tblPayments is not a table in the query.  

thank you


SumPayments: IIf([PaidInFullYN]=True,"Paid In Full",DSum("Amount","tblPayments","[LCID] = " & [LetterOfCreditID]))
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