FireDAC.Comp.BatchMove.TFDBatchMove.OnWriteValue
Delphi
property OnWriteValue: TFDBatchMoveWriteValueEvent read FOnWriteValue write FOnWriteValue;
C++
__property TFDBatchMoveWriteValueEvent OnWriteValue = {read=FOnWriteValue, write=FOnWriteValue};
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
event | published | FireDAC.Comp.BatchMove.pas FireDAC.Comp.BatchMove.hpp |
FireDAC.Comp.BatchMove | TFDBatchMove |
Description
Event triggered before a source value moves to the target data source.
Write an event handler for the OnWriteValue event to specify what happens before a source value moves to the target data source; for example, to reformat or convert the source value.
The event handler for the OnWriteValue event receives the following arguments:
AItem
: identifies the data item, like a dataset field.AValue
: represents the item value.