Ed,
The actual cause of the error was an invalid sql string was sent to the
back-end, so I don't think, the rest of the tracebck will help. The sql
should not have been sent because the dataset is empty. The form was just
opening. The root of the issue, I believe, is that _oldval = u'' and val =
'' (different data types), so in the
dTextBoxMixin._setValue, line 686,...
if type(_oldVal) != type(val) or _oldVal != val:
is getting evaluated to true, thus firing
self._afterValueChanged()
Perhaps a check before firing flushValue to test for no dataset'?
Thanks,
Larry
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