xykcunit.pas

《delphi 7.0_8.0课程设计与系统开发案例》随书代码

unit XYKCUnit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Mask, DBCtrls, Buttons, DB, DBTables;

type
  TForm2 = class(TForm)
    Table1: TTable;
    DataSource1: TDataSource;
    Table1BDEDesigner: TStringField;
    Table1BDEDesigner2: TFloatField;
    Label1: TLabel;
    GroupBox1: TGroupBox;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    DBEdit1: TDBEdit;
    Label2: TLabel;
    SpeedButton4: TSpeedButton;
    SpeedButton5: TSpeedButton;
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure SpeedButton5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form2: TForm2;

implementation

{$R *.dfm}

procedure TForm2.SpeedButton1Click(Sender: TObject);
begin
Table1.Append;
end;

procedure TForm2.SpeedButton2Click(Sender: TObject);
begin
Table1.Delete;
end;

procedure TForm2.SpeedButton3Click(Sender: TObject);
begin
Table1.Edit;
Table1.Post;
end;

procedure TForm2.SpeedButton4Click(Sender: TObject);
begin
Table1.Next;
end;

procedure TForm2.SpeedButton5Click(Sender: TObject);
begin
Table1.Prior;
end;

end.