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----  高于流水账增加条件的表达式问题  (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=159022)

--  作者:papa
--  发布时间:2020/12/10 21:37:00
--  高于流水账增加条件的表达式问题
请问老师如何在高效流水账计算中增加产品和库存组织条件进行计算,用 [产品] and [库存组织] 只能计算一次,在增加产品计算发生错误

Select Case e.DataCol.Name
    Case "产品","入库","出库"
        Dim dr As DataRow
        Dim mr As DataRow = e.DataRow
        Dim drs As List(of DataRow)
        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [产品] and [库存组织] = \'" & mr("产品") & "\'", "[_SortKey] Desc")
        \'dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [产品] = \'" & mr("产品") & "\'", "[_SortKey] Desc")
        If dr Is Nothing Then
            mr("库存") = mr("入库") - mr("出库")
            dr = mr
        End If
        drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [产品] and [库存组织] = \'" & dr("产品") & "\'", "[_SortKey]")
        \'drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [产品] = \'" & dr("产品") & "\'", "[_SortKey]")
        For i As Integer = 1 To drs.Count - 1
            drs(i)("库存") = drs(i-1)("库存") + drs(i)("入库") - drs(i)("出库")
        Next
        If e.DataCol.Name = "产品" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [产品] and [库存组织] = \'" & e.OldValue & "\'", "[_SortKey] Desc")
            \'dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [产品] = \'" & e.OldValue & "\'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[产品] = \'" & e.OldValue & "\'", "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("库存") = dr("入库") - dr("出库")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [产品] and [库存组织] = \'" & dr("产品") & "\'", "[_SortKey]")
                \'drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [产品] = \'" & dr("产品") & "\'", "[_SortKey]")

                For i As Integer = 1 To drs.Count - 1
                    drs(i)("库存") = drs(i-1)("库存") + drs(i)("入库") - drs(i)("出库")
                Next
            End If
        End If
End Select
[此贴子已经被作者于2020/12/10 22:06:42编辑过]

--  作者:papa
--  发布时间:2020/12/10 21:51:00
--  
附件
--  作者:有点蓝
--  发布时间:2020/12/10 22:26:00
--  
dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [产品]  = \'" & mr("产品") & "\' and [库存组织]=\'" & mr("库存组织") & "\'", "[_SortKey] Desc")