在DataSetProvider的onUpdateData中,怎樣知道DataSet中的哪一筆是新增 |
答題得分者是:Justmade
|
dialog
一般會員 發表:33 回覆:18 積分:10 註冊:2002-09-07 發送簡訊給我 |
|
Justmade
版主 發表:94 回覆:1934 積分:2030 註冊:2003-03-12 發送簡訊給我 |
procedure TDBClientTest.ProviderUpdateData(Sender: TObject; DataSet: TCustomClientDataSet);
begin
with DataSet do
while not EOF do
begin
if UpdateStatus = usDeleted then
LogDelete(DataSet, UserName, Date, Time);
Next;
end;
end; UpdateStatus 是現在那筆記錄的 Update 狀況,有以下值 :
usUnmodified The current record has no unapplied updates.
usModified The current record has unapplied modifications.
usInserted The current record has been inserted but the insertion was not applied.
usDeleted The current record represents a deleted record, where the deletion has not yet been applied.
|
本站聲明 |
1. 本論壇為無營利行為之開放平台,所有文章都是由網友自行張貼,如牽涉到法律糾紛一切與本站無關。 2. 假如網友發表之內容涉及侵權,而損及您的利益,請立即通知版主刪除。 3. 請勿批評中華民國元首及政府或批評各政黨,是藍是綠本站無權干涉,但這裡不是政治性論壇! |