Ошибка в строке procedure Button1Click(Sender: TObject);

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
 
     type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    RadioButton3: TRadioButton;
    RadioButton4: TRadioButton;
    procedure Button1Click(Sender: TObject);
    procedure Label1Click(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
  private
 
 
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
  vtext: String;
 
implementation
 
{$R *.dfm}
 
 
 
procedure TForm1.Label1Click(Sender: TObject);
 var S: String;
 i: integer;
 
 begin
   S:=Edit1.Text;
   i:=length(S);
 
 
 if RadioButton1.Checked= true then
 Label1.Caption:=S;
 
   if RadioButton2.Checked= true then
 Label1.Caption:=inttostr(i*8);
 
    if RadioButton3.Checked= true then
 Label1.Caption:=inttostr(i div 1024);
 
  if RadioButton4.Checked= true then
 Label1.Caption:=inttostr(i div 1024);
 
   end;
 
 
end.

if RadioButton1.Checked= true then
 Label1.Caption:=S;

  if RadioButton1.Checked then
    Label1.Caption := S;

procedure TForm1.Button1Click(Sender: TObject);
begin
 
end;