//修改
        protected void btnConfirm_Click(object sender, EventArgs e)
        {
            try
            {
                DalOperationAboutEnglishExam dalOperationAboutEnglishExam = new DalOperationAboutEnglishExam();
                UserCookiesInfo user = BllOperationAboutUser.GetUserCookiesInfo();

                if (dalOperationAboutEnglishExam.CheckIsOverDateOrSignUpConfirm(user.userNo, englishExamId))
                {
                    Javascript.AlertAndRedirect("您好,当前报名信息不能修改,可能的原因为:\n1. 已经过报名截止日期。2. 报名信息已经确认。\n如有疑问请发送疑问反馈,谢谢!", "/Student/EnglishExamSignUp.aspx?fragment=2", Page);
                    return;
                }

                dalOperationAboutEnglishExam.UpdateEnglishExamSignUp(user.userNo, ddlEnglishExamPlace.SelectedValue, ddlEnglishExamType.SelectedValue
                    , englishExamId); //保存反馈意见
                Javascript.RefreshParentWindow("修改报名信息成功!", "/Student/EnglishExamSignUp.aspx?fragment=2", Page);
            }
            catch (Exception ex)
            {
                MongoDBLog.LogRecord(ex);
                Javascript.GoHistory(-1, "修改报名信息失败,请检查格式是否有误!", Page);
            }
        }