changenum.pas

完成酒店管理系统

unit ChangeNum;

interface

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

type
  TChangeNumFrm = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    ADOQuery1: TADOQuery;
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
  var
  StrNum : Integer;
var
  ChangeNumFrm: TChangeNumFrm;

implementation

uses RoomModify;

{$R *.dfm}

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

procedure TChangeNumFrm.Button2Click(Sender: TObject);
begin
Edit1.Text:= '';
Edit1.SetFocus;
end;

procedure TChangeNumFrm.Button1Click(Sender: TObject);
var
loc: Boolean;
begin
if Edit1.Text = '' then
begin
ShowMessage('输入数据不能为空，请输入数据！');
Edit1.SetFocus;
end
else
loc:=ADOQuery1.Locate('房间号',Edit1.Text,[locaseInsensitive]);
if loc = True then

begin
StrNum:= StrToInt(Edit1.Text);
RoomModifyFrm.Show;
end
else
begin
ShowMessage('此房间号不存在,请重新输入!');
Edit1.Text:= '';
Edit1.SetFocus;
end;
end;

end.