主题：[求助]统计

  Select Case e.DataCol.Name
    Case "商品编号","商品名称"
        Dim dr As DataRow
        Dim mr As DataRow = e.DataRow
        Dim drs As List(of DataRow)
        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [商品编号] = '" & mr("商品编号") & "'", "[_SortKey] Desc")
        If dr Is Nothing Then
            mr("结存_数量") = mr("入库_入库数量")+mr("期初_期初数量")+ mr("出库_出库数量")
            mr("结存_金额") = mr("入库_入库金额")+mr("期初_期初金额")- mr("出库_出库金额")
            dr = mr
        End If
        drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [商品编号] = '" & dr("商品编号") & "'", "[_SortKey]")
        For i As Integer = 1 To drs.Count - 1
            drs(i)("结存_数量") = drs(i-1)("结存_数量") + drs(i)("入库_入库数量") - drs(i)("出库_出库数量")
            drs(i)("结存_金额") = drs(i-1)("结存_金额") + drs(i)("入库_入库金额") - drs(i)("出库_出库金额")
        Next
        If e.DataCol.Name = "商品编号" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [商品编号] = '" & e.OldValue & "'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[商品编号] = '" & e.OldValue & "'", "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("结存_数量") = dr("入库_入库数量")- dr("出库_出库数量")
                    dr("结存_金额") = dr("入库_入库金额")- dr("出库_出库金额")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [商品名称] = '" & dr("商品名称") & "'", "[_SortKey]")
                For i As Integer = 1 To drs.Count - 1
                    drs(i)("结存_数量") = drs(i-1)("结存_数量") + drs(i)("入库_入库数量") - drs(i)("出库_出库数量")
                    drs(i)("结存_金额") = drs(i-1)("结存_金额") + drs(i)("入库_入库金额") - drs(i)("出库_出库金额")
                Next
            End If
        End If
End Selec

 

老师，该公式不能及时动态更新，

 请先好好打打基础

 

http://www.foxtable.com/help/topics/1472.htm

 

老师，我基础差一时半会还看不懂上面的代码都是抄来的，望老师帮我修该一下。老师我想从头学起有那些和你们狐表相关的书吗？请老师介绍。

 

一段代码，谁知道你哪里错啊？是统计错，还是修改了别的表没有更新？

 

如果是修改了别的表没有更新的话，别的表要触发一下这个表的代码，2楼的解释已经很清楚了。

 

把你的例子发上来。

下载信息  [文件大小：   下载次数： ]

点击浏览该文件:蓝峰管理.table

 哪个表，做什么操作，怎么不计算？

进销存那个表不动态更新

代码

 

Select Case e.DataCol.Name
    Case "商品编号","商品名称","期初_数量","期初_金额","入库_数量","入库_金额","出库_数量","出库_金额"
        Dim dr As DataRow
        Dim mr As DataRow = e.DataRow
        Dim drs As List(of DataRow)
        dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [商品编号] = '" & mr("商品编号") & "'", "[_SortKey] Desc")
        If dr Is Nothing Then
            mr("结存_数量") = mr("入库_数量")+mr("期初_数量")+ mr("出库_数量")
            mr("结存_金额") = mr("入库_金额")+mr("期初_金额")- mr("出库_金额")
            dr = mr
        End If
        drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [商品编号] = '" & dr("商品编号") & "'", "[_SortKey]")
        For i As Integer = 1 To drs.Count - 1
            drs(i)("结存_数量") = drs(i-1)("结存_数量") + drs(i)("入库_数量") - drs(i)("出库_数量")
            drs(i)("结存_金额") = drs(i-1)("结存_金额") + drs(i)("入库_金额") - drs(i)("出库_金额")
        Next
        If e.DataCol.Name = "商品编号" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
            dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [商品编号] = '" & e.OldValue & "'", "[_SortKey] Desc")
            If dr Is Nothing Then
                dr = e.DataTable.Find("[商品编号] = '" & e.OldValue & "'", "[_SortKey]")
                If dr IsNot Nothing Then
                    dr("结存_数量") = dr("入库_数量")- dr("出库_数量")
                    dr("结存_金额") = dr("入库_金额")- dr("出库_金额")
                End If
            End If
            If dr IsNot Nothing Then
                drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [商品编号] = '" & dr("商品编号") & "'", "[_SortKey]")
                For i As Integer = 1 To drs.Count - 1
                    drs(i)("结存_数量") = drs(i-1)("结存_数量") + drs(i)("入库_数量") - drs(i)("出库_数量")
                    drs(i)("结存_金额") = drs(i-1)("结存_金额") + drs(i)("入库_金额") - drs(i)("出库_金额")
                Next
            End If
        End If
End Select

老师还是不行啊

 

你要修改 进销存 的数据，才会统计的啊。