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Northwind.mdb

Northwind.mdb
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The Northwind database has an Orders form which has an Order Details subform. In the subform, there is a field called "UnitPrice".

When a new record is added in the Order Details subform, the "UnitPrice" field is first displayed with "0" (the default value for the [Order Details].UnitPrice field), and then immediately updates that value with the value contained in the [Products].UnitPrice field.

This has the desired result of copying the value in the [Products].UnitPrice field to the [Order Details].UnitPrice field.
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I have searched the forum and have not had any luck finding a similarly related post and I hope someone can spare a moment to help out.

I can't get a Before Update Event on a form to execute correctly in a function. The error I get is:
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