dt_rk = cmd.ExecuteReadercmd.CommandText = "select {计划排产}.板料编码,{计划排产}.板料规格,日期,实剪 as 数量, 实剪 * 长 * 宽 * 厚 * 7.85 * 0.9 / 1000000000 AS 重量 FROM {计划排产} INNER JOIN {材料} ON {计划排产}.板料编码 = {材料}.板料编码 & Filter"dt_hy = cmd.ExecuteReader
这里?
Filter 一般是合成的语句