多行数据转换成一个字符串

select STUFF(
                    (select ','+UserID
                    FROM T_WorkFlow_MultiFlowInfo  a
                    WHERE b.FlowID =a.FlowID 
                    and a.isWork=0 and a.FlowType<>3 and a.flowid='{0}'
                    FOR XML PATH('')),1,1,'')UserID
                    FROM T_WorkFlow_MultiFlowInfo b
                    where b.isWork=0 and b.FlowType<>3 and b.flowid='{0}'
                    group by FlowID