I am trying to add a calculated Textbox to a form for DueDate
The below formula gives a #Type! error
Control Source Formula in DueDate:
Using the name of the textbox
=IIf(IsNull([Text1186]+21),0,([Text1186]+21))
Using the control source
=IIf(IsNull([RecieveDate]+21),0,([RecieveDate]+21))...