touristpay.~pas

完成酒店管理系统

unit TouristPay;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, ADODB, Grids, DBGrids, StdCtrls;

type
  TTouristPayFrm = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Button1: TButton;
    Button2: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    Button3: TButton;
    DBGrid1: TDBGrid;
    Button4: TButton;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    procedure Button2Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  TouristPayFrm: TTouristPayFrm;

implementation

{$R *.dfm}

procedure TTouristPayFrm.Button2Click(Sender: TObject);
begin
if Edit1.Text = '' then
begin
ShowMessage('数据不能为空！请重新输入！');
Edit1.SetFocus;
end
else
ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('Select * From Room Where 登记员 ='''+Edit1.Text
   + '''');
ADOQuery1.Open;
end;

procedure TTouristPayFrm.Button4Click(Sender: TObject);
begin
if Edit2.Text = '' then
begin
ShowMessage('数据不能为空！请重新输入！');
Edit2.SetFocus;
end
else
ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('Select * From Room Where  房价 >' + Edit2.Text);

ADOQuery1.Open;
end;

procedure TTouristPayFrm.Button3Click(Sender: TObject);
begin
Close;
end;

end.