DECLARE @SQL VARCHAR(1000)
DECLARE @m_id VARCHAR(20)
set @m_id='jsleen'
SET @SQL = 'select m_id,trade_check,mileage,IsNull((select top 1 e_price from trade_list where id="'+ CONVERT(VARCHAR(20),@m_id)+'" order by idx desc) ,0) as t_mileage,IsNull((select top 1 ip from usr_log where id="'+ CONVERT(VARCHAR(20),@m_id)+'" order by regdate desc),0) as login_ip from mem_mast A where A.m_id="'+ CONVERT(VARCHAR(20),@m_id)+'"'
EXEC (@SQL)
select @SQL
执行以后提示
列的名字 'jsleen' 错误高人请帮忙,谢谢
DECLARE @m_id VARCHAR(20)
set @m_id='jsleen'
SET @SQL = 'select m_id,trade_check,mileage,IsNull((select top 1 e_price from trade_list where id="'+ CONVERT(VARCHAR(20),@m_id)+'" order by idx desc) ,0) as t_mileage,IsNull((select top 1 ip from usr_log where id="'+ CONVERT(VARCHAR(20),@m_id)+'" order by regdate desc),0) as login_ip from mem_mast A where A.m_id="'+ CONVERT(VARCHAR(20),@m_id)+'"'
EXEC (@SQL)
select @SQL
执行以后提示
列的名字 'jsleen' 错误高人请帮忙,谢谢
DECLARE @m_id VARCHAR(20)
set @m_id='jsleen'
SET @SQL =
'select m_id,trade_check,mileage,IsNull((select top 1 e_price from trade_list where id='''+
CONVERT(VARCHAR(20),@m_id)+''' order by idx desc) ,0) as t_mileage,IsNull((select top 1 ip
from usr_log where id='''+ CONVERT(VARCHAR(20),@m_id)+''' order by regdate desc),0) as login_ip from mem_mast A where A.m_id='''+ CONVERT(VARCHAR(20),@m_id)+''''
EXEC (@SQL)
select @SQL
试