...get different background color of DBGrid for odd and even rows (2)?

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//source for main form :

//...
uses
// ...
  Grids, DBGrids, db
//...

  procedure artgrid(Sender: TObject; const Rect: TRect; DataCol: Integer;
  Column: TColumn; State: TGridDrawState);
  //...

implementation
//...

procedure TForm1.artgrid(Sender: TObject; const Rect: TRect;
  DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
  if ((Sender as tdbgrid).DataSource.DataSet.RecNo mod 2) = 0 then
    (Sender as tdbgrid).Canvas.Brush.Color := clblue; //or any color
  (Sender as tdbgrid).DefaultDrawColumnCell(rect, datacol, column, state);
end;

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// for all DrawColumnCell event of DBGrid in any Form (here "Form2"):

procedure TForm2.DBGrid2DrawColumnCell(Sender: TObject; const Rect: TRect;
  DataCol: Integer; Column: TColumn;
  State: TGridDrawState);
begin
  Form1.artgrid(Sender, Rect, DataCol, Column, State);
end;

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