>I faced a problem recently having used two different list boxes on the same screen for two different fields, the properties of both the list boxes are alike the rowsource is table(dbf) and both are using different dbf's. One is working fine, but the other is not allowing any selection at all.
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>Huzaifa.

Also, check that the length of the Rowsource field is not longer than the length of the controlsource. This will cause problems...