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string ld_lb
string ld_xb
Choose Case ddlb_1.Text
Case "体重"
ld_lb = "0"
Case "身高"
ld_lb = "1"
End Choose
Choose Case ddlb_2.Text
Case "男"
ld_xb = "0"
Case "女"
ld_xb = "1"
End Choose
dw_1.setfilter("lb='"+ld_lb+"' and xb='"+ld_xb+"'")
dw_1.filter()
string ls_lb,ls_xb
ls_lb=ddlb_1.text
ls_xb=ddlb_2.text
dw_1.retrieve(ls,lb,ls_xb)
2、filter就拼接filter语句
string ls_lb,ls_xb
ls_lb=ddlb_1.text
ls_xb=ddlb_2.text
dw_1.setfilter("lb='"+ls_lb+"' and xb='"+ls_xb+"'")
dw_1.filter()