public void SaveObjectXs()
        {
            Log.Add("开始触发事件");
            string ConnectionString = null;
            try
            {
                XmlDocument doc = new XmlDocument();
                doc.Load(AppDomain.CurrentDomain.BaseDirectory + "OESconfig.xml");
                XmlNodeList elemlist = doc.GetElementsByTagName("connectionStrings");
                ConnectionString = elemlist[2].InnerXml;
            }
            catch
            {
                MessageBox.Show("读取XML文件出错，请重试！");
            }
            var coreAccess = new CoreDataAccess();
            var conn = new SqlConnection(ConnectionString);
            Log.Add("生成机器上的连接..");
            try
            {
                coreAccess.BeginTransaction();
                conn.Open();
                var result = new DataTable();
                result = GetObjectLastXs();
                Log.Add("已经获取到送货单信息,数量" + result.Rows.Count);

                Log.Add("开始获取已有对账单");
                ICriterion cri = Expression.Like("NextNewDate", "%" + AuxiliaryClass.SyncTime.Substring(0, 7) + "%");
                IList<XSDatetils> list = coreAccess.GetObjectList<XSDatetils>(cri, "NextNewDate", false);
                if (list != null)
                    Log.Add("已存在对账单数为：" + list.Count);
                else
                    Log.Add("已存在对账单数为：0");

                foreach (DataRow row in result.Rows)
                {
                    var xsDatetils = GetObjectXs(row);
                    if (!list.Contains(xsDatetils))
                    {
                        Log.Add("保存送货单号为" + xsDatetils.OutOrderId + "的对账单");
                        coreAccess.SaveOrUpdate(xsDatetils);
                    }
                }
                coreAccess.Commit();//提交的时候会报异常，An exception occurred when executing bacth queries,意思说我执行的批量查询出现错误。我找了很久，没找到错误..  
                Log.Add("全部保存完成");

            }
            catch
            {
                coreAccess.RollBack();
            }
            finally
            {
                conn.Close();
                coreAccess.CloseSession();
            }
        }
求大虾帮我看看问题所在...   急啊！！  在线等！！！