/// <summary>
        /// 更新用法
        /// </summary>
        /// <param name="usage"></param>
        public void UpdateUsageItem(UsageItem usage)
        {
            try
            {
                string strWhere = Tables.base_usagediction.ID + oleDb.EuqalTo( ) + usage.ID;

                Base_UsageDiction base_usagediction = BindEntity <Base_UsageDiction> .CreateInstanceDAL(oleDb).GetModel(strWhere);

                if (base_usagediction == null)
                {
                    throw new Exception("无效的用法标识!");
                }
                string old_name = base_usagediction.Name.Trim( );
                base_usagediction.Name       = usage.Name;
                base_usagediction.Py_Code    = usage.Py_Code;
                base_usagediction.Wb_Code    = usage.Wb_Code;
                base_usagediction.D_Code     = "0";
                base_usagediction.Unit       = usage.Unit;
                base_usagediction.Print_Long = usage.PrintLongOrder == true ? 1 : 0;
                base_usagediction.Print_Temp = usage.PrintTempOrder == true ? 1 : 0;
                base_usagediction.Delete_Bit = usage.DeleteBit == true ? 1 : 0;
                BindEntity <Base_UsageDiction> .CreateInstanceDAL(oleDb).Update(base_usagediction);

                UpdateUsageAssociatedItems(usage, old_name);
            }
            catch (Exception err)
            {
                ErrorController.Instance( ).LogEvent(err);
                throw new Exception("保存用法项目发生错误!");
            }
        }
        /// <summary>
        /// 增加用法
        /// </summary>
        /// <param name="usage"></param>
        public void AddUsageItem(UsageItem usage)
        {
            try
            {
                Base_UsageDiction base_usagediction = new Base_UsageDiction( );
                base_usagediction.Name       = usage.Name;
                base_usagediction.Py_Code    = usage.Py_Code;
                base_usagediction.Wb_Code    = usage.Wb_Code;
                base_usagediction.D_Code     = "0";
                base_usagediction.Unit       = usage.Unit;
                base_usagediction.Print_Long = usage.PrintLongOrder == true ? 1 : 0;
                base_usagediction.Print_Temp = usage.PrintTempOrder == true ? 1 : 0;
                base_usagediction.Delete_Bit = usage.DeleteBit == true ? 1 : 0;
                BindEntity <Base_UsageDiction> .CreateInstanceDAL(oleDb).Add(base_usagediction);

                UpdateUsageAssociatedItems(usage);
            }
            catch (Exception err)
            {
                ErrorController.Instance( ).LogEvent(err);
                throw new Exception("保存用法项目发生错误!");
            }
        }