?? unit11.pas
字號:
unit Unit11;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Grids, DBGrids, DBCtrls, StdCtrls, Buttons, ExtCtrls, Mask;
type
TForm11 = class(TForm)
GroupBox1: TGroupBox;
Label1: TLabel;
Label2: TLabel;
Label4: TLabel;
Label3: TLabel;
DBEdit1: TDBEdit;
DBEdit3: TDBEdit;
DBEdit4: TDBEdit;
DBEdit2: TDBEdit;
Panel2: TPanel;
BitBtn1: TBitBtn;
BitBtn2: TBitBtn;
DBNavigator1: TDBNavigator;
DBGrid1: TDBGrid;
Label5: TLabel;
Label6: TLabel;
DBEdit5: TDBEdit;
DBEdit6: TDBEdit;
procedure BitBtn1Click(Sender: TObject);
procedure BitBtn2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormActivate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form11: TForm11;
implementation
uses Unit2;
{$R *.dfm}
procedure TForm11.BitBtn1Click(Sender: TObject);
begin
DataModule2.studenttable.ApplyUpdates; {提交studenttable的數(shù)據(jù)更新}
DataModule2.studenttable.cachedupdates:=false;
DataModule2.Studenttable.Active:=false;
showmessage('修改成功!');
modalresult:=mrok;
end;
procedure TForm11.BitBtn2Click(Sender: TObject);
begin
DataModule2.Studenttable.cancelUpdates;
DataModule2.Studenttable.cachedupdates:=false; {撤銷studenttable的數(shù)據(jù)更新}
DataModule2.Studenttable.Active:=false; {關(guān)閉studenttable}
form11.close;
end;
procedure TForm11.FormCreate(Sender: TObject);
begin
with datamodule2.StudentTable do {設(shè)置數(shù)據(jù)模塊的studenttable }
begin
DatabaseName:='work';
TableName:='StuTable.db';
IndexFieldNames:='StuNo';
end ;
end ;
procedure TForm11.FormActivate(Sender: TObject);
begin
DataModule2.Studenttable.Active:=true; {打開studenttable }
DataModule2.Studenttable.cachedupdates:=true;{允許studenttable數(shù)據(jù)更新}
end;
end.
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