DLookup in the Control Source Property of a Form Text Box

This is what I have in the Control Source

=DLookUp([Optic Description],[Optics],[Optics]!OpticID=[Top Optics])

but it gives me: #Name?

I am trying to look up a description from the Optics table where The OptiicID is the same as the current displayed record on the form.

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Try :

=DLookUp("[Optic Description]";"[Optics]";"[Optics] = " & Form![Top Optics])
Try this:

=DLookUp("[Optic Description]","[Optics]","[OpticID] = " & Me.[Top Optics])
Sorry, mistake, here's to good one :

=DLookUp("[Optic Description]";"[Optics]";"[OpticID] = " & Form![Top Optics])
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or :

=DLookUp("[Optic Description]","[Optics]","[OpticID] = " & Form![Top Optics])

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=DLookUp("[Optic Description]", "Optics", "OpticID=" & [Top Optics])

(provided [Top Optics] is a control that displays a valid OpticID number)

Good Luck!
we have fast typers here :)
BTW: the semi-colon is valid in a french setup, for example (see the Windows "list separator"), and the "Me." syntax does not work in a control source...
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