datagrid color change depending on inner value

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        CheckBox cbx = (CheckBox)e.Row.FindControl("checkBoxID");
        if (cbx != null)
        {
            if (cbx.Checked)
            {
                e.Row.BackColor = System.Drawing.Color.Red;
            }
        }
    }