Count records in subform meeting criteria

I have a main form, with a sub form, linked by ClientID. I would like to have a text box in the subform to display the count of records within the subform that meet one criterion.

Main form - Clients, PK ID
Subform - Appointments, PK AppointmentID, FK ClientID

I would like the text box to show count of AppointmentID where Attendance = "Attended".
tmccrankAsked:
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Rey Obrero (Capricorn1)Commented:
try placing this in the control source of the textbox

=dcount("AppointmentID","NameOfTable","Attendance='Attended'")
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aesmikeCommented:
You'll need to add criteria for ClientID matching
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TextReportCommented:
In the subform put in a control in th form header or footer called txtCOUNT with a control source of =SUM(IIF(Attendance = "Attended",1,0))

Then in your main form create another textbox with a controlsource of =[SubformControlName].Form!txtCOUNT

Cheers, Andrew
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