I am getting an exception that was making no sense. I traced it. Its ion this code, unit JSONDataset function TBaseJSONDataSet.GetFieldData(Field: TField; Buffer: TDatarecord): JSValue; var R : JSValue; begin if State in [dsCalcFields,dsInternalCalc] then R:=CalcBuffer.data else if (S…

You could indeed use the AfterOpen event to ensure that this code is executed only after the open effectively finished.

FFieldMapper is null

brunofierens (Bruno Fierens) September 17, 2025, 1:33pm 4

The proper way is to use await with LoadAsync if you do operations after the loading.

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