日期:2014-05-18 浏览次数:20626 次
(case when A.ItemMemo is null then '' else A.ItemMemo end) + (case when A4.Description is null then '' else A4.Description end) AS 工艺要求
isnull(A.ItemMemo,'')+isnull(A4.Description,'') as 工艺要求
------解决方案--------------------
isnull(A.ItemMemo,'')+isnull(A4.Description,'') AS 工艺要求