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Question : Validate Month & Year Field on Form
On a form, I have a PO Date formatted MM/DD/YYYY; on the same record one must choose a date from a combo box and that date needs to be either in the same MONTH/YEAR as the PO date field or later. How do I write a Validation Rule for this? Thanking you in advance!
Answer : Validate Month & Year Field on Form
I would put something like this in the form's BeforeUpdate event...
If Me!ThatComboBox < DateSerial(Year(Me!PO_Date
), Month(Me!PO_Date), 1) Then
MsgBox "Invalid date", vbCritical, "No soup for you!"
Me.ThatComboBox.SetFocus
Cancel = True
End If
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