/// <summary>
        /// 轉回 DAL 用 Content
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public void SetContentData(Dictionary <string, StudBatchUpdateRecContentEntity> data)
        {
            XmlElement retValue = new XmlDocument().CreateElement("Content");
            Dictionary <string, List <StudBatchUpdateRecContentEntity> > ByGradeYear = new Dictionary <string, List <StudBatchUpdateRecContentEntity> >();

            foreach (StudBatchUpdateRecContentEntity sburce in data.Values)
            {
                string strGRYear;
                if (string.IsNullOrEmpty(sburce.GetGradeYear()))
                {
                    strGRYear = " ";
                }
                else
                {
                    strGRYear = sburce.GetGradeYear();
                }

                if (ByGradeYear.ContainsKey(strGRYear))
                {
                    ByGradeYear[strGRYear].Add(sburce);
                }
                else
                {
                    List <StudBatchUpdateRecContentEntity> list = new List <StudBatchUpdateRecContentEntity>();
                    list.Add(sburce);
                    ByGradeYear.Add(strGRYear, list);
                }

                // 清除原 XML
                UpdateBatchRec.Content.RemoveAll();

                XmlElement elemRoot = new XmlDocument().CreateElement("異動名冊");
                elemRoot.SetAttribute("學年度", SchoolYear + "");
                elemRoot.SetAttribute("學期", Semester + "");
                elemRoot.SetAttribute("學校名稱", SchoolName);
                elemRoot.SetAttribute("學校代號", SchoolCode);
                elemRoot.SetAttribute("類別", DocType.ToString());

                foreach (KeyValuePair <string, List <StudBatchUpdateRecContentEntity> > val in ByGradeYear)
                {
                    XmlElement elemGrdYear = new XmlDataDocument().CreateElement("清單");
                    elemGrdYear.SetAttribute("年級", val.Key);
                    elemGrdYear.SetAttribute("科別", "");

                    foreach (StudBatchUpdateRecContentEntity sburce1 in val.Value)
                    {
                        XmlElement xe = elemGrdYear.OwnerDocument.ImportNode(sburce1.GetXmlData(), true) as XmlElement;
                        elemGrdYear.AppendChild(xe);
                    }

                    XmlElement XmlRootChild = elemRoot.OwnerDocument.ImportNode(elemGrdYear, true) as XmlElement;
                    elemRoot.AppendChild(XmlRootChild);
                }

                XmlElement elemRot = UpdateBatchRec.Content.OwnerDocument.ImportNode(elemRoot, true) as XmlElement;
                UpdateBatchRec.Content.AppendChild(elemRot);
            }
        }