Devexpress Xtragrid Row Background Color

private void advBandedGridView1_RowStyle(object sender, DevExpress.XtraGrid.Views.Grid.RowStyleEventArgs e)
        {
            if (String.IsNullOrWhiteSpace(advBandedGridView1.GetRowCellValue(e.RowHandle, advBandedGridView1.Columns[0]).ToString())
                || String.IsNullOrWhiteSpace(advBandedGridView1.GetRowCellValue(e.RowHandle, advBandedGridView1.Columns[6]).ToString())
                || advBandedGridView1.GetRowCellValue(e.RowHandle, advBandedGridView1.Columns[6]).ToString().Trim().Length < 10)
            {
                e.Appearance.BackColor = Color.Red;
            }
        }