Marco,

is this a WAD?

TDataSet in CachedUpdate (Master of a Detail DataSet)
Insert a record (and do not post it). Insert a record on a detail DataSet. Delete the Master-Record.

The OnDelete handler will not be called ?

Greetings
Sven

Before looking into this, which OnDelete handler are you referring to?

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Marco Kalter
Allround Automations

You're right. The handler has the correct name:

TOracleDataSet.BeforeDelete(DataSet : TDataSet)

Greetings
Sven

If the newly inserted record isn't posted yet, it will effectively be cancelled when you delete it. That's why the BeforeDelete event does not fire.

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Marco Kalter
Allround Automations