How Can I know if a field has been modify I try the OldValue and NewValue as I do it with DBE but the have the same Value I use a TOracleDataset with Cache Update and the check is made in the Before Update, Version 3.3.3

Both Value and NewValue should contain the new value, and OldValue should contain the old value. I performed a little test with this, and it seems to work just fine. Do you still see the old value or the new value? What event are you using (I'm not familiar with Before Update event)?

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Marco Kalter
Allround Automations

The Event is the Before Post. And the values are identical. Old = Cur = New Value