delphi+access网络考试系统[开题报告＋论文＋源代码＋答辩ppt＋外文翻译](六)

var
  tikufrm: Ttikufrm;

implementation

uses Undm;

{$R *.dfm}

procedure Ttikufrm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
datamodule1.CDSExam.ApplyUpdates(-1);
action:=cafree;
end;

procedure Ttikufrm.BitBtn3Click(Sender: TObject);
begin
close;
end;

procedure Ttikufrm.BitBtn1Click(Sender: TObject);
begin
datamodule1.cDSExam.Insert;
end;

procedure Ttikufrm.BitBtn2Click(Sender: TObject);
begin
datamodule1.cDSExam.Delete;
end;

end.

统计报表界面设计与代码设计

代码设计:
unit Unchengji;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, DBCtrls, StdCtrls, Mask, DB, Grids, DBGrids, ComCtrls;

type
  Tchengjifrm = class(TForm)
    DataSource1: TDataSource;
    PageControl1: TPageControl;
    TabSheet1: TTabSheet;
    TabSheet3: TTabSheet;
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    ComboBox1: TComboBox;
    Button1: TButton;
    Edit1: TEdit;
    DBGrid1: TDBGrid;
    RGselect: TRadioGroup;
    RGid: TRadioGroup;
    Edit2: TEdit;
    Edit3: TEdit;
    GBdate: TGroupBox;
    Label3: TLabel;
    DatePick: TDateTimePicker;
    RGpass: TRadioGroup;
    Button2: TButton;
    Button3: TButton;
    Bevel1: TBevel;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Button1Click(Sender: TObject);
    procedure RGselectClick(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure FormActivate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  chengjifrm: Tchengjifrm;

implementation

uses Undm, Unchengjiprint;

{$R *.dfm}

procedure Tchengjifrm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
action:=cafree;
end;

procedure Tchengjifrm.Button1Click(Sender: TObjec

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