troubleshooting Question

Validation Rule for TextBox in a Form

Avatar of angie_angie
angie_angie asked on
Microsoft AccessSQL
5 Comments1 Solution956 ViewsLast Modified:
I have a Form where I can enter the "UserID" in a TextBox so the related info will be displayed.
I want to add Validation Rule to this TextBox. If the UserID entered is not in the Field [UserID] of the Table [tblUser], a Validation Text will pop out.
I tried a few times to use expression builder, but everytime got error. Could someone help me on that?
Thanks!
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