Dim sql As String sql = "Select 日期,批次,时间,单位,类别,1 As 计数 FROM {表A}" Dim b As New CrossTableBuilder("当月汇总",sql) b.HGroups.AddDef("单位") b.HGroups.AddDef("批次") b.VGroups.AddDef("日期",DateGroupEnum.None) b.VGroups.AddDef("类别") b.Totals.AddDef("计数") b.Build() MainTable = Tables("当月汇总") Tables("当月汇总").AutoSizeCols() Dim dt As DataTable = DataTables("当月汇总") dt.DataCols.Add("开始时间", Gettype(Date)) dt.DataCols.Add("结束时间", Gettype(Date)) dt.DataCols("开始时间").SetDateTimeFormat(DateTimeFormatEnum.DateLongTime) dt.DataCols("结束时间").SetDateTimeFormat(DateTimeFormatEnum.DateLongTime) For Each dr As DataRow In dt.DataRows Dim fdr1 As DataRow = DataTables("表A").Find("单位 = '" & dr("单位") & "' and 批次 = '" & dr("批次") & "'", "日期,时间") Dim fdr2 As DataRow = DataTables("表A").Find("单位 = '" & dr("单位") & "' and 批次 = '" & dr("批次") & "'", "日期 desc,时间 desc") dr("开始时间") = cdate(fdr1("日期") & " " & fdr1("时间")) dr("结束时间") = cdate(fdr2("日期") & " " & fdr2("时间")) Next
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