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-  Foxtable(狐表)  (http://foxtable.com/bbs/index.asp)
--  专家坐堂  (http://foxtable.com/bbs/list.asp?boardid=2)
----  明细账余额计算  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=189747)

--  作者:实话实说
--  发布时间:2023/12/22 15:35:00
--  明细账余额计算
这个明细账表的余额如何根据总账科目和明细科目分类计算?类似流水账,余额 = 余额(上1行) + 借方 - 贷方

 下载信息  [文件大小:   下载次数: ]
图片点击可在新窗口打开查看点击浏览该文件:明细账.foxdb


--  作者:有点蓝
--  发布时间:2023/12/22 15:54:00
--  
参考 :http://www.foxtable.com/webhelp/topics/2136.htm,看示例二,和示例的产品一样,把总账科目和明细科目都加到查询条件
--  作者:实话实说
--  发布时间:2023/12/22 16:41:00
--  
这样吗?不行啊。

Select Case e.DataCol.Name
    Case "总账科目","明细科目","借方","贷方"
        Dim dr As DataRow
        Dim mr As DataRow = e.DataRow
        Dim drs As List(of DataRow)
        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey] Desc")
        If dr Is Nothing Then
            mr("余额") = mr("借方") - mr("贷方")
            dr = mr
        End If
        drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & dr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey]")
        For i As Integer = 1 To drs.Count - 1
            drs(i)("余额") = drs(i-1)("余额") + drs(i)("借方") - drs(i)("贷方")
        Next
        If e.DataCol.Name = "总账科目" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & e.OldValue & "\'And [明细科目] = \'" & e.OldValue & "\'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[总账科目] = \'" & e.OldValue & "\'", "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("余额") = dr("借方") - dr("贷方")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & dr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey]")
                For i As Integer = 1 To drs.Count - 1
                    drs(i)("余额") = drs(i-1)("余额") + drs(i)("借方") - drs(i)("贷方")
                Next
            End If
        End If
End Select

--  作者:实话实说
--  发布时间:2023/12/22 16:42:00
--  
把期初的余额都清零了
--  作者:有点蓝
--  发布时间:2023/12/22 16:49:00
--  
加条件排除掉期初的行呗,比如

        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\' and 摘要<>\'期初余额\'", "[_SortKey] Desc")

--  作者:实话实说
--  发布时间:2023/12/22 18:03:00
--  
还是不行

Select Case e.DataCol.Name
    Case "总账科目","明细科目","借方","贷方"
        Dim dr As DataRow
        Dim mr As DataRow = e.DataRow
        Dim drs As List(of DataRow)
        \'dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey] Desc")
        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\' and 摘要<>\'期初余额\'", "[_SortKey] Desc")
        If dr Is Nothing Then
            mr("余额") = mr("借方") - mr("贷方")
            dr = mr
        End If
        drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & dr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'and 摘要<>\'期初余额\'", "[_SortKey]")
        For i As Integer = 1 To drs.Count - 1
            drs(i)("余额") = drs(i-1)("余额") + drs(i)("借方") - drs(i)("贷方")
        Next
        If e.DataCol.Name = "总账科目" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & e.OldValue & "\'And [明细科目] = \'" & e.OldValue & "\'and 摘要<>\'期初余额\'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[总账科目] = \'" & e.OldValue & "\'And [明细科目] = \'" & e.OldValue & "\'and 摘要<>\'期初余额\'",  "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("余额") = dr("借方") - dr("贷方")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & dr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\', And 摘要<>\'期初余额\'", "[_SortKey]")
                For i As Integer = 1 To drs.Count - 1
                    drs(i)("余额") = drs(i-1)("余额") + drs(i)("借方") - drs(i)("贷方")
                Next
            End If
        End If
End Select

--  作者:有点蓝
--  发布时间:2023/12/23 9:55:00
--  
 下载信息  [文件大小:   下载次数: ]
图片点击可在新窗口打开查看点击浏览该文件:明细账.zip


--  作者:实话实说
--  发布时间:2023/12/23 11:30:00
--  
能贴出代码吗?我的版本不够。谢谢。
--  作者:有点蓝
--  发布时间:2023/12/23 11:45:00
--  
Select Case e.DataCol.Name
    Case "总账科目", "明细科目", "借方", "贷方"
        Dim dr As DataRow
        Dim mr As DataRow = e.DataRow
        If mr("摘要") = "期初余额" Then
            Return
        End If 
        Dim drs As List(Of DataRow)
        \'dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey] Desc")
        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey] Desc")
        If dr Is Nothing Then
            mr("余额") = mr("借方") - mr("贷方")
            dr = mr
        End If
        drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & dr("总账科目") & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey]")
        For i As Integer = 1 To drs.Count - 1
            drs(i)("余额") = drs(i - 1)("余额") + drs(i)("借方") - drs(i)("贷方")
        Next
        If e.DataCol.Name = "总账科目" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & e.OldValue & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[总账科目] = \'" & e.OldValue & "\'And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("余额") = dr("借方") - dr("贷方")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & dr("总账科目") & "\' And [明细科目] = \'" & mr("明细科目") & "\'", "[_SortKey]")
                For i As Integer = 1 To drs.Count - 1
                    drs(i)("余额") = drs(i - 1)("余额") + drs(i)("借方") - drs(i)("贷方")
                Next
            End If
        End If
        If e.DataCol.Name = "明细科目" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & e.OldValue & "\'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[总账科目] = \'" & mr("总账科目") & "\'And [明细科目] = \'" & e.OldValue & "\'", "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("余额") = dr("借方") - dr("贷方")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [总账科目] = \'" & mr("总账科目") & "\' And [明细科目] = \'" & dr("明细科目") & "\'", "[_SortKey]")
                For i As Integer = 1 To drs.Count - 1
                    drs(i)("余额") = drs(i - 1)("余额") + drs(i)("借方") - drs(i)("贷方")
                Next
            End If
        End If
End Select

--  作者:实话实说
--  发布时间:2023/12/23 16:52:00
--  
对于没有明细科目的行计算出错,代码如何修改?