About C# WinForm DataGridView

Image img = Image.FromFile(@"C:\imageName.gif");
                
private void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.RowIndex==-1 ) \\you can specify column index here....
            {
                e.Graphics.DrawImage(img, e.CellBounds); e.Handled = true;
            }
        }