Data.Win.ADODB.TEventReason

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Delphi

TEventReason = (erAddNew, erDelete, erUpdate, erUndoUpdate, erUndoAddNew,
erUndoDelete, erRequery, erResynch, erClose, erMove, erFirstChange,
erMoveFirst, erMoveNext, erMovePrevious, erMoveLast);

C++

enum DECLSPEC_DENUM TEventReason : unsigned char { erAddNew, erDelete, erUpdate, erUndoUpdate, erUndoAddNew, erUndoDelete, erRequery, erResynch, erClose, erMove, erFirstChange, erMoveFirst, erMoveNext, erMovePrevious, erMoveLast };

Properties

Type	Visibility	Source	Unit	Parent
enum	public	Data.Win.ADODB.pas Data.Win.ADODB.hpp	Data.Win.ADODB	Data.Win.ADODB

Description

TEventReason values indicate the reason an event occurred.

Use TEventReason values to determine the reason an event has occurred.

TEventReason consists of the five constants summarized in the following table:

Execute Option	Meaning
erAddNew	A new row was added.
erDelete	An existing row was deleted.
erUpdate	An existing row was modified with new values.
erUndoUpdate	An update operation was canceled.
erUndoAddNew	A row insert operation was canceled.
erUndoDelete	A row delete operation was canceled.
erRequery	The recordset was refreshed with the Requery method.
erResynch	The recordset was resynchronized with the Resynch method.
erClose	The recordset was closed.
erMove	The recordset's row pointer moved.
erFirstChange	Equivalent to the ADO value ad.
erMoveFirst	The recordset's row pointer moved to the first row.
erMoveNext	The recordset's row pointer moved to the next row.
erMovePrevious	The recordset's row pointer moved to the previous row.
erMoveLast	The recordset's row pointer moved to the last row.

See Also

• TCustomADODataSet