菜鸟求教大神帮忙啊！

Question

unit Unit1;interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,DBCtrls;type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Label1: TLabel;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;var
  Form1: TForm1;implementation  uses Unit2,Unit3{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);//',' or ';' expected but 'PROCEDURE' found
begin
Unit3.Form3.DBNavigator1.VisibleButtons:=[nbFirst,nbPrior,nbNext,
                      nbLast,nbInsert,nbDelete,nbEdit,nbPost,nbCancel,nbRefresh];Unit2.Form2.Show;
end;procedure TForm1.Button2Click(Sender: TObject);
begin
Unit3.Form3.DBNavigator1.VisibleButtons:=[];
    Unit3.Form3.FormCreate(Sender);
        Unit3.Form3.Show;
end;end.
第29行那个错误，我怎么看都是对的，可是就是编译不能通过，求教啊！
[Fatal Error] Project1.dpr(7): Could not compile used unit 'Unit1.pas'

Answer 1

implementation uses Unit2,Unit3这个后面少个;号好像,你加下试试