using System.Globalization;//CultureInfo需要

 protected void AspxGridView_stock_HtmlDataCellPrepared(object sender, DevExpress.Web.ASPxGridView.ASPxGridViewTableDataCellEventArgs e)
        {
            if (e.DataColumn.Caption.Trim() == "序号")
            {
                e.Cell.Text = ((e.VisibleIndex) + 1).ToString(CultureInfo.InvariantCulture);
            }
        }