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If field a = 1 , Field b must equal 1 or 3

P: 1
I am quite new to Access and have just got comfortable with the basics of making forms, queries and reports.
I have a form with two fields in Purpose and Category.
The user puts in numbers into each field.
I would like to put in some code so that if purpose = 1 then category must = 1, or 3. If so, that's fine, if purpose does = 1 but category does not = 1 or 3 I would like a message box to say error.
If purpose = any other number than 1 I want nothing to happen?
does this make sense?
Any help would be great!
Jan 16 '07 #1
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1 Reply

Expert Mod 15k+
P: 31,494
Try putting this as the AfterUpdate event procedure for the Purpose control.
Expand|Select|Wrap|Line Numbers
  1. Private Sub Purpose_AfterUpdate()
  2.     Me!Category.ValidationRule = IIf(Me!Purpose = 1, "=1 Or 3", "")
  3. End Sub
Jan 16 '07 #2

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