unit14.pas

商品销售管理系统

unit Unit14;

interface

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

type
  TForm14 = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    GroupBox2: TGroupBox;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    DBEdit6: TDBEdit;
    DBMemo1: TDBMemo;
    ADOTable1: TADOTable;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form14: TForm14;

implementation

uses Unit3, Unit1;

{$R *.dfm}

procedure TForm14.Button1Click(Sender: TObject);
begin
   with adoquery1 do
begin
  close;
  sql.clear;
  sql.add('select * from 商品');
  sql.add('where 商品编号 = :商品编号');
  parameters.parambyname('商品编号').value := edit1.text;
  open;
  edit1.Clear;
end;
   if dbedit1.Text='' then
showmessage('没有此信息,请重新查询');
end;

procedure TForm14.Button3Click(Sender: TObject);
begin
  adoquery1.Post;
  begin
    adoquery1.sql.add('update 商品 set 商品编号=:商品编号,商品名=:商品名');
    adoquery1.SQL.Add('单价=:单价,供应者编号=:供应者编号,存放仓库号=:存放仓库号,库存量=:库存量,说明=:说明');
    adoquery1.sql.Add('where 商品编号=:商品编号');
    showmessage('修改成功');
   end;
end;

procedure TForm14.Button2Click(Sender: TObject);
begin
    adoquery1.Delete;
    adoquery1.SQL.Add('delete from 商品 where 商品编号= :商品编号,商品名=:商品名,供应者编号=:供应者编号,单价=:单价');

    adoquery1.SQL.Add('存放仓库号=:存放仓库号,库存量=:库存量,说明=:说明');
    adoquery1.sql.Add('where 商品编号= :商品编号');
    showmessage('删除成功');
end;

procedure TForm14.Button4Click(Sender: TObject);
begin
form14.Close;
form3.show;
end;

end.