>>>Yes, I do have a return .f. If I press enter or try to tab out of the textbox, the focus is not lost. It only seem to be if I clicked on the page .
>>
>>Can you try this:
>>Move the code from the Valid() event to the LostFocus()event.
>>Instead of RETURN .F., put THISFORM.PageFrame.Page.Grid.Column.TextBox.SetFocus()
>
>This didn't work for me. Now, even if I tab out of the column, it still moves to the next column.

Try to return .F. from Grid.Valid event, surely conditionally checking Text.Value