求助这个setfilter如何写?

[解决办法]
不管数据库是里是什么类型，要看在datawindow里是什么类型
如

ls_filter = "dsj = '"+ ls_dsj +"' and " + "bclc=" + string(ll_bclc)

dw_1.setfilter(ls_filter)

这个写法看似没有问题

[解决办法]
ls_filter = "(dsj = '"+ ls_dsj +"') and (" + "bclc = " + string(ll_bclc) + ")"