>>>I have a one-to-many form with a grid representing the many side of the relationship. When I attempt (at run-time) to change the values in the EditBox controls on any line in the grid, everything works fine until I tab to the next column, when the value I've entered disppears from the grid and is never posted to the table.
>>>All read-only attributes for table, grid and EditBox are set to .F.
>>>
>>>Any ideas?
>>
>>What is Grid.Recordsource?
>
>Thanks for your reply!
>
>RecordSource is an alias for the many-side table. I add new rows using APPEND BLANK and valuing the foreign-key field after selecting that alias.

Usually, this situation assumes using of parameterized view as Grid.Recordsource
When edit session is finished you can just issue Tableupdate() to get data back to table.