Skip to content

    TDataSource.OnStateChange

    Called whenever the state of the dataset changes.

    Declaration

    Source position: db.pas line 2161

    published property OnStateChange: TNotifyEvent;

    Description

    OnStateChange is called whenever the TDataset.State property changes, and the datasource is enabled. It can be used in application code to react to state changes: enabling or disabling non-DB-Aware controls, setting empty values etc.

    See also

    Name Description
    TDatasource.OnUpdateData Called whenever the data in the dataset must be updated.
    TDatasource.OnStateChange Called whenever the state of the dataset changes.
    TDataset.State Current operational state of the dataset.
    TDatasource.Enabled Enable or disable sending of events.