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--  作者：lfz123 --  发布时间：2019/12/19 16:06:00 --  SEL语句中的动态合成表达式 老师请帮我看下,合成表达式中,月份和年份都是整数,怎样正确编写 Dim filter As String = "[年份] = " & dr("年份") & "and [月份] = " & dr("月份") & " And 税率 <> " 0.03   cmd.CommandText = "S elect count(*) As 份数, sum(金额) As 金额,sum(税额) As 税额,sum(金额 + 税额) As 价税合计 from {销项发票} where filter"

--  作者：有点蓝 --  发布时间：2019/12/19 16:10:00 --   这个帮助建议先看10遍：http://www.foxtable.com/webhelp/topics/1284.htm Dim filter As String = "[年份] = " & dr("年份") & " and [月份] = " & dr("月份") & " And 税率 <>  0.03 "  cmd.CommandText = "S elect count(*) As 份数, sum(金额) As 金额,sum(税额) As 税额,sum(金额 + 税额) As 价税合计 from {销项发票} where " & filter