unit7.pas

商场管理 内容:通过商场入口和用户入口实现

unit Unit7;

interface

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

type
  Tfrm_saleinfor = class(TForm)
    Label1: TLabel;
    Table1: TTable;
    DBGrid1: TDBGrid;
    btn_add: TBitBtn;
    btn_del: TBitBtn;
    BitBtn3: TBitBtn;
    btn_sort: TBitBtn;
    BitBtn5: TBitBtn;
    Label2: TLabel;
    lbl_date: TLabel;
    Label4: TLabel;
    lbl_rec: TLabel;
    Image1: TImage;
    Query1: TQuery;
    DataSource1: TDataSource;
    procedure FormCreate(Sender: TObject);
    procedure DataSource1DataChange(Sender: TObject; Field: TField);
    procedure BitBtn3Click(Sender: TObject);
    procedure btn_addClick(Sender: TObject);
    procedure btn_delClick(Sender: TObject);
    procedure btn_sortClick(Sender: TObject);
    procedure BitBtn5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frm_saleinfor: Tfrm_saleinfor;

implementation

uses Unit8, Unit9;

{$R *.dfm}

procedure Tfrm_saleinfor.FormCreate(Sender: TObject);
begin
  lbl_date.Caption:=datetostr(date());
  lbl_rec.caption:=inttostr(table1.RecordCount);
end;

procedure Tfrm_saleinfor.DataSource1DataChange(Sender: TObject;
  Field: TField);
begin
  lbl_rec.caption:=inttostr(table1.RecordCount);
end;

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

procedure Tfrm_saleinfor.btn_addClick(Sender: TObject);
begin
  table1.append ;
  table1.Post ;
end;

procedure Tfrm_saleinfor.btn_delClick(Sender: TObject);
begin
if table1.RecordCount>0
    then
       begin
         if messagedlg('真的要删除吗？',mtconfirmation,[mbyes,mbno],0)=mryes  then
         table1.delete;
         end
       else
           messagedlg('无记录可删除！',mtwarning,[mbyes],0);
end;

procedure Tfrm_saleinfor.btn_sortClick(Sender: TObject);
begin

  btn_add.Visible:=false;
  btn_del.Visible:=false;
  btn_sort.font.Color:=clred;
  frm_sort.show;
end;

procedure Tfrm_saleinfor.BitBtn5Click(Sender: TObject);
begin

   btn_add.Visible:=false;
   btn_del.Visible:=false;

   frm_query.show;
end;

end.