unit11.pas

仓库管理系统

unit Unit11;

interface

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

type
  TForm11 = class(TForm)
    GroupBox1: TGroupBox;
    RadioButton2: TRadioButton;
    RadioButton3: TRadioButton;
    Button1: TButton;
    GroupBox2: TGroupBox;
    DBGrid1: TDBGrid;
    RadioButton1: TRadioButton;
    ADOConnection1: TADOConnection;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form11: TForm11;

implementation

{$R *.dfm}

procedure TForm11.Button1Click(Sender: TObject);
begin
 ADOQuery1.Close;

if RadioButton1.Checked then
begin
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('select Table1.spnum,spname,kindname,price,person,num from Table1,Table6,Table7 where kindname=''5元以下'' and Table1.spnum=Table6.spnum and Table7.kindnum=Table6.kindnum');
ADOquery1.Open;
end;

if RadioButton2.Checked then
begin
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('select Table1.spnum,spname,kindname,price,person,num from Table1,Table6,Table7 where kindname=''5元到10元'' and Table1.spnum=Table6.spnum and Table7.kindnum=Table6.kindnum');
ADOquery1.Open;
end;

if RadioButton3.Checked then
begin
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('select Table1.spnum,spname,kindname,price,person,num from Table1,Table6,Table7 where kindname=''10元以上'' and Table1.spnum=Table6.spnum and Table7.kindnum=Table6.kindnum');
ADOquery1.Open;
end;

end;

end.