数据窗口的SQL语句
ax123 2003-10-13 10:39:26 数据窗口(窗口为dw_1)的原SQL语句:select field1,field2,field3 from table where field1=:p_parm (三个字段均为varchar型)。如果(先定义三个变量String s_str,s_old,s_new)用s_old=dw_1.getsqlselect()。s_new=s_old+" and filid2='"+s_str+"'"。然后用dw_1.setsqlselect(s_new),dw_1.retrieve(p_parm)。问如何处理,参数p_parm怎样设置?