/// <summary>
        /// 增加文档主表数据
        /// </summary>
        public string GetAddSQL(ChangeBill ChangeBill)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("insert into ChangeBill(");
            strSql.Append("ChangeBillGuID,ChangeBillID,ChangeBillDate,ChangePerson,FileGuID,NewVersionID,Remark,CreateGuid,CreateDate,CheckGuid,CheckDate");
            strSql.Append(")");
            strSql.Append(" values (");
            strSql.Append("'" + ChangeBill.ChangeBillGuID + "',");
            strSql.Append("'" + ChangeBill.ChangeBillID + "',");
            strSql.Append("'" + ChangeBill.ChangeBillDate + "',");
            strSql.Append("'" + ChangeBill.ChangePerson + "',");
            strSql.Append("'" + ChangeBill.FileGuID + "',");
            strSql.Append("'" + ChangeBill.NewVersionID + "',");
            strSql.Append("'" + ChangeBill.Remark + "',");
            strSql.Append("'" + ChangeBill.CreateGuid + "',");
            strSql.Append("'" + ChangeBill.CreateDate + "',");
            strSql.Append("'" + ChangeBill.CheckGuid + "',");
            if (ChangeBill.CheckDate == DateTime.Parse("1900-01-01"))
            {
                strSql.Append("null");
            }
            else
            {
                strSql.Append("'" + ChangeBill.CheckDate + "'");
            }
            strSql.Append(")");
            return(strSql.ToString());
        }
        ///<summary>
        /// 保存数据
        /// </summary>
        /// <param name="pObj">信息集实体类</param>
        /// <returns>返回保存成功(true)或失败(false)</returns>
        public void SaveChangeBill(ChangeBill ChangeBill, List <ChangeBillDataAttachment> ChangeBillDataAttachment)
        {
            CommonInterface pComm = CommonFactory.CreateInstance(CommonData.sql);

            try
            {
                pComm.BeginTrans();

                //保存单据主表数据
                //先删除主表数据
                string strDeleteSql = "Delete from ChangeBill where  ChangeBillGuID='" + ChangeBill.ChangeBillGuID + "'";
                pComm.Execute(strDeleteSql);

                //插入主表数据
                string strInsertSql = GetAddSQL(ChangeBill);
                pComm.Execute(strInsertSql);


                //删除明细表
                strDeleteSql = "Delete from ChangeBillDataAttachment where  ChangeBillGuID='" + ChangeBill.ChangeBillGuID + "'";
                pComm.Execute(strDeleteSql);

                //插入明细表数据
                for (int i = 0; i < ChangeBillDataAttachment.Count; i++)
                {
                    AddChangeBillDataAttachment(ChangeBillDataAttachment[i], pComm);
                }


                pComm.CommitTrans();
            }
            catch (Exception e)
            {
                pComm.RollbackTrans();
                pComm.Close();
                throw e;
            }
        }