main.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 main;
- interface
- uses
- Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- StdCtrls, ExtCtrls, Db, DBTables, Grids, DBGrids;
- type
- TForm1 = class(TForm)
- Panel1: TPanel;
- DBGrid1: TDBGrid;
- Database1: TDatabase;
- Table1: TTable;
- DataSource1: TDataSource;
- grpIsolation: TRadioGroup;
- grpTransaction: TGroupBox;
- btnRollback: TButton;
- btnStart: TButton;
- btnCommit: TButton;
- btnRefresh: TButton;
- btnClose: TButton;
- grpUpdate: TRadioGroup;
- procedure grpIsolationClick(Sender: TObject);
- procedure btnStartClick(Sender: TObject);
- procedure btnCommitClick(Sender: TObject);
- procedure btnRollbackClick(Sender: TObject);
- procedure btnCloseClick(Sender: TObject);
- procedure btnRefreshClick(Sender: TObject);
- procedure grpUpdateClick(Sender: TObject);
- procedure FormCreate(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- procedure TForm1.grpIsolationClick(Sender: TObject);
- begin
- Database1.TransIsolation := TTransIsolation(grpIsolation.ItemIndex);
- end;
- procedure TForm1.btnStartClick(Sender: TObject);
- begin
- Database1.StartTransaction;
- btnStart.Enabled := False;
- btnCommit.Enabled := True;
- btnRollback.Enabled := True;
- end;
- procedure TForm1.btnCommitClick(Sender: TObject);
- begin
- Database1.Commit;
- btnStart.Enabled := True;
- btnCommit.Enabled := False;
- btnRollback.Enabled := False;
- end;
- procedure TForm1.btnRollbackClick(Sender: TObject);
- begin
- Database1.Rollback;
- btnStart.Enabled := True;
- btnCommit.Enabled := False;
- btnRollback.Enabled := False;
- end;
- procedure TForm1.btnCloseClick(Sender: TObject);
- begin
- Close;
- end;
- procedure TForm1.btnRefreshClick(Sender: TObject);
- begin
- Table1.Close;
- Table1.Open;
- end;
- procedure TForm1.grpUpdateClick(Sender: TObject);
- begin
- Table1.UpdateMode := TUpdateMode(grpUpdate.ItemIndex);
- end;
- procedure TForm1.FormCreate(Sender: TObject);
- begin
- Table1.Open;
- end;
- end.