[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]

Reference for unit 'DB' (#fcl)

TDataSet.AutoCalcFields

How often should the value of calculated fields be calculated

Declaration

Source position: db.pas line 1745

public property TDataSet.AutoCalcFields : Boolean read FAutoCalcFields write FAutoCalcFields default True;

AutoCalcFields is by default true, meaning that the values of calculated fields will be computed in the following cases:

When AutoCalcFields is False, then the calculated fields are called whenever

Both proper calculated fields and lookup fields are computed. Calculated fields are computed through the TDataset.OnCalcFields event.

TField.FieldKind		The kind of field.
TDataset.OnCalcFields		Event triggered when values for calculated fields must be computed.