>>If I change data in a grid and then revert, it reverts. But if I delete it by clicking the delete column, it still gets deleted even when I click my revert button. This is not true of another of my child grids. What should I be looking for?
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>There are two common ways: first is mild (Grid.Refresh) and second is shock therapy (Grid.RecordSource=Grid.RecordSource)

I don't think this is a refresh problem. It's my understanding that if I revert, the record in the grid should be undeleted. That's how my other grid works.