unit1.pas

来自「应对服装行业的生产成本控制系统」· PAS 代码 · 共 41 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    SpeedButton1: TSpeedButton;
    Database1: TDatabase;
    procedure SpeedButton1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.SpeedButton1Click(Sender: TObject);
begin
 database1.Connected:=true;
  if database1.DataSetCount=0 then
  begin
    label1.Caption :=  '数据库连接测试成功!';
    database1.Connected:=false;
  end
  else
    showmessage('数据库连接测试失败!');
end;

end.