>My form has a data environment with table buffering = 2. The data-entry textboxes in the form have tablename.fieldname as their ControlSource. To add a new record, my add button Click event has the following code: select the table, append blank and execute a tableupdate(.T.).
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>The append blank works, but no data goes into the table. Can anyone please tell me what I'm missing? Thanks.

To add to what John and Sylvain said.

Test tableupdate() to make sure it completed properly. tableupdate() returns .T. if the update(s) are commited, and .F. if one or more fails.

Regards,

Jason