有可能是没有符合条件的语句两个时间段之间应该用Between....and这种结构,日期型的两边要用#比如SQL = "SELECT SUM(金额) AS TTT FROM t_input WHERE 日期 Between #" & DTPicker1.Value & "# and #" & DTPicker2.Value & "# GROUP BY 日期"
日期型的两边要用#