What are you supposed to do in InternalRefresh when you subclassing TDataset in Delphi?
What are you supposed to do in InternalRefresh when you subclassing TDataset in Delphi?
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What are you supposed to do in InternalRefresh when you subclassing TDataset in Delphi?
Fetch the data from the database again. The public interface to this is
TDataSet.Refresh.Note that
TQuery‘s override of this just throws an exception. There’s not a strict requirement to do anything useful here, if you don’t care about supportingRefresh.