goodsunit5.pas

商品交易系统:使用delphi开发的商品销售系统

unit GoodsUnit5;

interface

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

type
  TForm5 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    DBNavigator1: TDBNavigator;
    Table1: TTable;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Label2: TLabel;
    Label3: TLabel;
    DBEdit1: TDBEdit;
    Label4: TLabel;
    DBEdit2: TDBEdit;
    Label5: TLabel;
    DBEdit3: TDBEdit;
    Label6: TLabel;
    DBEdit4: TDBEdit;
    Label7: TLabel;
    DBEdit5: TDBEdit;
    SpeedButton1: TSpeedButton;
    Table1BDEDesigner: TStringField;
    Table1Price: TCurrencyField;
    Table1Number: TFloatField;
    Table1BDEDesigner2: TStringField;
    Table1Count: TCurrencyField;
    procedure SpeedButton1Click(Sender: TObject);
    procedure DBEdit1Click(Sender: TObject);
    procedure Table1CalcFields(DataSet: TDataSet);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form5: TForm5;

implementation

{$R *.dfm}

procedure TForm5.SpeedButton1Click(Sender: TObject);
begin
table1.refresh;
end;

procedure TForm5.DBEdit1Click(Sender: TObject);
begin
table1.Insert;
table1.Edit;
end;

procedure TForm5.Table1CalcFields(DataSet: TDataSet);
begin
table1count.value:=table1price.value*table1number.value;
end;

end.