/// <summary>
        /// 显示消息提示对话框，并进行页面跳转
        /// </summary>
        /// <param name="page">当前页面指针，一般为this</param>
        /// <param name="msg">提示信息</param>
        /// <param name="url">跳转的目标URL</param>
        public static void ShowAndRedirect(System.Web.UI.Page page, string msg, string url)
        {
            StringBuilder Builder = new StringBuilder();
            Builder.Append("<script language='javascript' defer>");
            Builder.AppendFormat("alert('{0}');", msg);
            Builder.AppendFormat("location.href='{0}'", url);
            Builder.Append("</script>");
            page.RegisterStartupScript("message", Builder.ToString());

        }