//修改
        protected void btnUpdate_Click(object sender, EventArgs e)
        {
            if (txtTitle.Text.Trim().Length == 0 || this.Textarea1.Value.Trim().Length == 0)
            {
                Javascript.GoHistory(-1, "标题和内容不能为空,请输入!", Page);
            }
            else
            {
                DalOperationAboutEnglishExam dalOperationAboutEnglishExam = new DalOperationAboutEnglishExam();
                EnglishExamNotify notify = new EnglishExamNotify();
                notify.englishExamNotifyId = englishExamNotifyInfoId;

                notify.englishExamNotifyTitle = txtTitle.Text.Trim();
                notify.englishExamNotifyContent = this.Textarea1.Value.Trim();
                notify.attachmentIds = hidAttachmentId.Value;
                notify.deadLineTime = Convert.ToDateTime(datepicker.Value);
                notify.updateTime = DateTime.Now;
                notify.locale = ddlLocale.SelectedValue;

                try
                {

                    dalOperationAboutEnglishExam.UpdateEnglishExamNotifyById(notify);//修改
                    Javascript.RefreshParentWindow("修改成功!", "/Administrator/EnglishExamManage.aspx?page="+pageIndex, Page);
                }
                catch (Exception ex)
                {
                    MongoDBLog.LogRecord(ex);
                    Javascript.GoHistory(-1, "修改失败,请检查格式是否有误!", Page);
                }

            }
        }