在将 nvarchar 值 '1,25,26,27' 转换成数据类型 int 时失败
select * from Users where charindex(','+ltrim(id), (select ','+attendlist from MembersUser where name='mudan' ) )>0
select * from Users where charindex(','+ltrim(id), (select ','+attendlist from MembersUser where name='mudan' ) )>0