Ok, I misunderstood. So do you mean that the combo fixes itself when you drop it down manually? After issuing a refresh, what is showing in the box? The old value? Is it empty? Have you confirmed that the new value in the controlsource field matches exactly one of the values in the list?


>The rowsource information appears to be correct, this is not what is changing, it is the controlsource (view) which is changing, and this is not displaying, note that the controlsource value does appear in the rowsource list.
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>>After you requery the view, you need to call the combo's requery method.