DBGrid и его закраска

[C++ Error] Unit1.cpp(20): E2316 '_fastcall TForm1::DBGrid1DrawColumnCell(TObject *,const TRect &,int,TColumn *,TGridDrawState)' is not a member of 'TForm1'.

//---------------------------------------------------------------------------
 
#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
 
void __fastcall TForm1::DBGrid1DrawColumnCell(TObject *Sender,
      const TRect &Rect, int DataCol, TColumn *Column,
      TGridDrawState State)
{
if (Table1->FieldByName("VenueNo")->Value==1)
{
DBGrid1->Canvas->Brush->Color=clGreen;
DBGrid1->Canvas->Font->Color=clWhite;
DBGrid1->Canvas->FillRect(Rect);
DBGrid1->Canvas->TextOut(Rect.Left+2,Rect.Top+2,Column->Field->Text);
}
}
//---------------------------------------------------------------------------

void __fastcall TForm1::DBGrid1DrawColumnCell(TObject *Sender,
  const TRect &Rect, int DataCol, TColumn *Column,
  TGridDrawState State);