set Data1= marketdata.GetHistoryDataByDate("600008","sh",5,"2017/8/8","2017/8/16")
set Data2= marketdata.GetHistoryDataByDate("600008","sz",0,"2017/8/8","2017/8/16")
这样是不是Data1的数据会被修改?
有什么办法可以同时引用两组数据呢?