TDataSetProvider + TClientDataSet 的問題 |
答題得分者是:Fishman
|
corey
一般會員 發表:34 回覆:44 積分:14 註冊:2003-04-19 發送簡訊給我 |
procedure TStringConverter.ClientOktxQty(sEmpNo, sFund_Unit: String);
var DB_Oktx_Qry: TADOQuery; DB_SetProvider: TDataSetProvider; DB_ClientDataSet: TClientDataSet; sSQL: String; begin DB_Oktx_Qry := TADOQuery.Create(DataCon); DB_Oktx_Qry.Connection := DataCon; DB_SetProvider := TDataSetProvider.Create(DB_Oktx_Qry); DB_SetProvider.DataSet := DB_Oktx_Qry; DB_ClientDataSet := TClientDataSet.Create(DB_SetProvider); DB_ClientDataSet.ProviderName := 'DB_SetProvider'; DB_Oktx_Qry.SQL.Text := 'Select * From XXX'; DB_Oktx_Qry.Open; DB_ClientDataSet.Active := True; <---執行到這一行有錯 Error Msg: Missing data provider or data packet While Not DB_ClientDataSet.Eof do begin if (DB_Oktx_Qry.FieldByName('O_ACNO').AsInteger < 8480001) or (DB_Oktx_Qry.FieldByName('O_ACNO').AsInteger > 8489999) then begin tsFile1.Add(GetListData(sFund_Unit,'A01',DB_Oktx_Qry)); end; DB_ClientDataSet.Next; DB_Oktx_Qry.Next; end; end; 我還需要設定什麼嗎?(第一次使用) |
Fishman
尊榮會員 發表:120 回覆:1949 積分:2163 註冊:2006-10-28 發送簡訊給我 |
procedure TStringConverter.ClientOktxQty(sEmpNo, sFund_Unit: String);
var DB_Oktx_Qry: TADOQuery; DB_SetProvider: TDataSetProvider; DB_ClientDataSet: TClientDataSet; sSQL: String; begin DB_Oktx_Qry := TADOQuery.Create(Self); DB_Oktx_Qry.Connection := DataCon; DB_SetProvider := TDataSetProvider.Create(Self); DB_SetProvider.Name := 'DB_SetProvider'; DB_SetProvider.DataSet := DB_Oktx_Qry; DB_ClientDataSet := TClientDataSet.Create(Self); DB_ClientDataSet.ProviderName := DB_SetProvider.Name; DB_Oktx_Qry.SQL.Text := 'Select * from xxx'; // DB_Oktx_Qry.Open; DB_ClientDataSet.Active := True; While Not DB_ClientDataSet.Eof do begin if (DB_Oktx_Qry.FieldByName('O_ACNO').AsInteger < 8480001) or (DB_Oktx_Qry.FieldByName('O_ACNO').AsInteger > 8489999) then begin tsFile1.Add(GetListData(sFund_Unit,'A01',DB_Oktx_Qry)); end; DB_ClientDataSet.Next; DB_Oktx_Qry.Next; end; end; Fishman
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Fishman |
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