>>>Okay, I trashed the Requery stuff in my Grid.Refresh. And it works fine! Except I now get a "uncommitted changes in Buffer" message. I assume I need to issue tableupdate/tablerevert commands through an exit routine or as a modal form prompt to save changes or cancel in a method of my grid/page/or someotherplace?
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>>Yes, you should issue Tableupdate() to save data in table, or Tablerevert() to cancel data changes.
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>Is there a "normal VFP" place to put the Tableupdate()/Tablerevert() commands, i.e. embed in a property, use with command buttons, etc.?

Under 'Save' button, you fire Tableupdate(), under 'Cancel' button you fire Tablerevert(). Also, you should implement some mechanism (update or revert) when user 'Close' the form without either saving or canceling.