CdsDeltaForm.pas
资源名称:delphi.rar [点击查看]
上传用户:fh681027
上传日期:2022-07-23
资源大小:1959k
文件大小:2k
源码类别:
Delphi控件源码
开发平台:
Delphi
- unit CdsDeltaForm;
- interface
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- Db, DBClient, Grids, DBGrids, StdCtrls, ExtCtrls, ComCtrls, MConnect,
- MidasCon;
- type
- TFormCds = class(TForm)
- DataSource1: TDataSource;
- Panel1: TPanel;
- ButtonUpdate: TButton;
- ButtonDelta: TButton;
- ButtonUndo: TButton;
- PageControl1: TPageControl;
- TabSheetData: TTabSheet;
- TabSheetDelta: TTabSheet;
- DBGrid2: TDBGrid;
- DataSource2: TDataSource;
- DBGrid1: TDBGrid;
- procedure ButtonUpdateClick(Sender: TObject);
- procedure ButtonDeltaClick(Sender: TObject);
- procedure ButtonUndoClick(Sender: TObject);
- procedure FormCreate(Sender: TObject);
- procedure PageControl1Change(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
- var
- FormCds: TFormCds;
- implementation
- {$R *.DFM}
- uses
- TypInfo, Reconc, CdsDeltaDm;
- procedure TFormCds.ButtonUpdateClick(Sender: TObject);
- begin
- DmCds.cdsEmployee.ApplyUpdates (-1);
- // activate data and hide delta
- PageControl1.ActivePage := TabSheetData;
- TabSheetDelta.TabVisible := False;
- end;
- procedure TFormCds.ButtonDeltaClick(Sender: TObject);
- begin
- if DmCds.cdsEmployee.ChangeCount > 0 then
- begin
- DmCds.cdsDelta.Data := DmCds.cdsEmployee.Delta;
- DmCds.cdsDelta.Open;
- // activate delta
- TabSheetDelta.TabVisible := True;
- PageControl1.ActivePage := TabSheetDelta;
- end
- else
- begin
- TabSheetDelta.TabVisible := False;
- ShowMessage ('No udpates in log');
- end;
- end;
- procedure TFormCds.ButtonUndoClick(Sender: TObject);
- begin
- DmCds.cdsEmployee.UndoLastChange (True);
- end;
- procedure TFormCds.FormCreate(Sender: TObject);
- begin
- DmCds.cdsEmployee.Open;
- TabSheetDelta.TabVisible := False;
- end;
- procedure TFormCds.PageControl1Change(Sender: TObject);
- begin
- if PageControl1.ActivePage = TabSheetDelta then
- if DmCds.cdsEmployee.ChangeCount > 0 then
- DmCds.cdsDelta.Data := DmCds.cdsEmployee.Delta
- else
- begin
- TabSheetDelta.TabVisible := False;
- PageControl1.ActivePage := TabSheetData;
- end;
- end;
- end.