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

TCustomDBListBox.UpdateData

UpdateData - method for applying any pending changes to the data.

Declaration

Source position: dbctrls.pp line 370

protected procedure TCustomDBListBox.UpdateData(

  Sender: TObject

); virtual; abstract;

Arguments

Sender

  

Object for the event notification.

Description

UpdateData is a virtual abstract method in TCustomDBListBox, and must be implemented in a descendent class (such as TDBListBox or TDBLookupListBox) to perform the actions needed to update a linked dataset using the current selection in the control.

UpdateData is assigned to the OnUpdateData event handler in the TFieldDataLink instance for data-aware controls.

See also

TFieldDataLink.OnUpdateData

  

OnUpdateData - event handler for updating any pending changes in the data.

TDBListBox.UpdateData

  

Performs actions needed to update the linked dataset when the value for the control has changed.

TDBLookupListBox.UpdateData

  

Updates the data in the lookup dataset for the control.


Version 4.0 Generated 2025-05-03 Home