unit8.~pas

车辆管理系统可用与管理车辆信息

unit Unit8;

interface

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

type
  TForm8 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    Button2: TButton;
    Button3: TButton;
    Label3: TLabel;
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form8: TForm8;

implementation

uses Unit1, Unit2, Unit3, Unit4, Unit5, Unit6, Unit7;

{$R *.dfm}

procedure TForm8.Button2Click(Sender: TObject);
begin
      form1.show;
      form8.Hide;
end;

procedure TForm8.Button3Click(Sender: TObject);
begin
      form1.close;
      form2.close;
      form3.close;
      form4.close;
      form5.close;
      form6.close;
      form7.close;
      form8.Close;
end;

procedure TForm8.Button1Click(Sender: TObject);
begin
    with form5.ADODataSet1 do
       begin
       close;
       form5.ADODataSet1.CommandText:='select * from 加油记录表 where 车牌号='''+edit1.text+'''';
       open;
       edit2.Text:=fieldbyname('总金额').AsString;
       end;
    with form6.ADODataSet1 do
      begin
        close;
        form6.ADODataSet1.CommandText:='select * from 维修记录  where 车牌号='''+edit1.text+'''';
        open ;
        edit3.Text:=fieldbyname('费用总计').AsString ;
        end;

end;

end.