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-  Foxtable(狐表)  (http://www.foxtable.com/bbs/index.asp)
--  专家坐堂  (http://www.foxtable.com/bbs/list.asp?boardid=2)
----  求一代码连接  (http://www.foxtable.com/bbs/dispbbs.asp?boardid=2&id=12182)

--  作者:xxlzfd
--  发布时间:2011/8/25 10:05:00
--  求一代码连接

三个表,{入库}{出库}{库存表}

 

{库存表}DataColChanged事件本来有这个代码

Dim dr As DataRow = e.DataRow
Dim dt1 As DataTable = DataTables("入库")
Dim dt2 As DataTable = DataTables("出库")
If e.DataCol.Name = "序号" Then
    dr("入库数量") = dt1.Compute("Sum(入库数量)","[序号] = \'" & dr("序号") & "\'")
    dr("入库额") = dt1.Compute("Sum(入库额)","[序号] = \'" & dr("序号") & "\'")
    dr("出库数量") = dt2.Compute("Sum(出库数量)","[序号] = \'" & dr("序号") & "\'")
    dr("出库额") = dt2.Compute("Sum(出库额)","[序号] = \'" & dr("序号") & "\'")
End If

 

在{库存表}里如何加上下面的代码

Select Case e.DataCol.Name
Case
"入库数量","出库数量"
For Each dr As DataRow In e.DataTable.Select("[_SortKey] >= " & e.DataRow("_SortKey"))
Dim
Val1 As Double = e.DataTable.Compute("Sum(入库数量)","[_SortKey] <= " & dr("_SortKey"))
Dim
Val2 As Double = e.DataTable.Compute("Sum(出库数量)","[_SortKey] <= " & dr("_SortKey"))
dr("库存量") = Val1 - Val2

Next
End
Select

 


--  作者:狐狸爸爸
--  发布时间:2011/8/25 10:17:00
--  
Dim dr As DataRow = e.DataRow
Dim dt1 As DataTable = DataTables("入库")
Dim dt2 As DataTable = DataTables("出库")
Select Case  e.DataCol.Name
    Case  "序号"
        dr("入库数量") = dt1.Compute("Sum(入库数量)","[序号] = \'" & dr("序号") & "\'")
        dr("入库额") = dt1.Compute("Sum(入库额)","[序号] = \'" & dr("序号") & "\'")
        dr("出库数量") = dt2.Compute("Sum(出库数量)","[序号] = \'" & dr("序号") & "\'")
        dr("出库额") = dt2.Compute("Sum(出库额)","[序号] = \'" & dr("序号") & "\'")
    Case "入库数量","出库数量"
        For Each dr As DataRow In e.DataTable.Select("[_SortKey] >= " & e.DataRow("_SortKey"))
            Dim Val1 As Double = e.DataTable.Compute("Sum(入库数量)","[_SortKey] <= " & dr("_SortKey"))
            Dim Val2 As Double = e.DataTable.Compute("Sum(出库数量)","[_SortKey] <= " & dr("_SortKey"))
            dr("库存量") = Val1 - Val2
        Next
End Select

--  作者:xxlzfd
--  发布时间:2011/8/25 10:41:00
--  
谢谢你啦,狐爸爸
--  作者:xxlzfd
--  发布时间:2011/8/25 10:46:00
--  
提示出错,我把表传上了
 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:进销存.rar


--  作者:狐狸爸爸
--  发布时间:2011/8/25 11:02:00
--  
Dim dr As DataRow = e.DataRow
Dim dt1 As DataTable = DataTables("入库")
Dim dt2 As DataTable = DataTables("出库")
Select Case e.DataCol.Name
    Case  "序号"
        dr("入库数量") = dt1.Compute("Sum(入库数量)","[序号] = \'" & dr("序号") & "\'")
        dr("入库额") = dt1.Compute("Sum(入库额)","[序号] = \'" & dr("序号") & "\'")
        dr("出库数量") = dt2.Compute("Sum(出库数量)","[序号] = \'" & dr("序号") & "\'")
        dr("出库额") = dt2.Compute("Sum(出库额)","[序号] = \'" & dr("序号") & "\'")
    Case "入库数量","出库数量"
        For Each dr2 As DataRow  In e.DataTable.Select("[_SortKey] >= " & e.DataRow("_SortKey"))
            Dim Val1 As Double = e.DataTable.Compute("Sum(入库数量)","[_SortKey] <= " & dr2("_SortKey"))
            Dim Val2 As Double = e.DataTable.Compute("Sum(出库数量)","[_SortKey] <= " & dr2("_SortKey"))
            dr2("库存量") = Val1 - Val2
        Next
End Select

--  作者:xxlzfd
--  发布时间:2011/8/25 11:12:00
--  

还有小小问题,没入库的也自动计算了


--  作者:xxlzfd
--  发布时间:2011/8/25 11:26:00
--  在等中

刷新一下


--  作者:狐狸爸爸
--  发布时间:2011/8/25 11:29:00
--  
 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:进销存.rar


--  作者:xxlzfd
--  发布时间:2011/8/25 11:45:00
--  
谢谢你,狐爸爸,可以了