OK. I got it figured out. In the professional jargon it came under the category of REALLY, REALLY STUPID CODING ERROR. But I probably would not have seen it as quickly except for your insightful analyses.

Thanks John and Nancy for your thoughtful responses.

Regards,

JME

>I really hate it when my programs go on vacation without me. And I suspect they get to go much nicer places than I do.
>
>Would you look at this grid in the classbrowser and post the code for it? Of course, I hope you've already solved it by now ;-)
>
>Or alternately, have you tried putting a SUSPEND in one of the controls clicks? (Probably, I would imagine)
>
>>Yep, it is on vacation. I wish I was.
>>AllowAddNew is .F. because I do not want users adding records except through the external CommandButton for that purpose. This button works in that when pressed a new record is indeed added and certain fields are filled in correctly. The new record appears in the grid as expected -- iow, the grid's record source is updated correctly
>>
>>I have clicked on every part of the grid, including on the filled rows. It is acting as though it were disabled, but enabled is .T. in the watch window.