问题描述 SQL语句在VS中运行错误,在数据库中执行正确 select (case when ub.ishandle is NUll then '未处理' when ub.ishandle='' then '未处理' else ishandle end)as 'ishandle',u.fsid,u.BuMenId,y.Chusheng,y.lunar,u.Realname,b.Name as bname from qp_hr_Yuangong y, qp_oa_Bumen b,qp_oa_use