What value do you have in the grid's recordsource? It sounds like the grid's datasource isn't being "selected" until you bring focus to the form?

>Just did it ... comented those lines I put in the AfterNav, put the Step On in the Grids.Refresh and it executed. But didn't populated the Grid ...
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>>>I've tried this ... it didn't work.
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>>Did you know for sure that the grid refresh method was executed (by putting SET STEP ON, DODEFAULT() in the grid's refresh event) ?