[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'db' (#fcl)

TDataSource.OnUpdateData

Called whenever the data in the dataset must be updated

Declaration

Source position: db.pas line 1517

published property TDataSource.OnUpdateData: TNotifyEvent
  read FOnUpdateData
  write FOnUpdateData;

Description

OnUpdateData is called whenever the dataset needs the latest data from the controls: usually just before a TDataset.Post operation. It can be used to copy data from non-db-aware controls to the dataset just before the dataset is posting the changes to the underlying database.

See also

TDatasource.OnDataChange

  

Called whenever data changes in the current record

TDatasource.OnStateChange

  

Called whenever the state of the dataset changes

TDataset.Post

  

Post pending edits to the database.

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