此主题相关图片如下：表a.png

表A中张三有两个数据

表A代码

If e.DataCol.Name = "金额" Then
    Dim pr As DataRow
    pr = DataTables("表E").Find("姓名 = \'" & e.DataRow("姓名") & "\'")
    If pr IsNot Nothing Then
        pr("表A金额")= pr("表A金额") + e.NewValue - e.OldValue
    End If
End If
 
此主题相关图片如下：表e.png

表E中应该是表A中张三两个数据之和
表E代码

If e.DataCol.Name = "姓名" Then
    e.DataRow("表A金额") = DataTables("表A").Compute("Sum(金额)","[姓名] = \'" & e.NewValue & "\'")

1.录入表A B C D 数据时自动生成的表E.  在ABCD四个表中增加或减少数据，表E能否自动跟着增加或减少？

2.点击查询按钮表ABCD 跟着变化，表E是否也能在筛选条件下自动跟着变化？

下载信息  [文件大小：   下载次数： ]

点击浏览该文件:管理项目1.table

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点击浏览该文件:实验2 (1).table

2.按日期查询时，某人在表A中有数据 在BCD中都没有数据，表E中竟然出现了BCD表中的数据？

此主题相关图片如下：表a.png

Dim Filter As String = "1=1"
With e.Form.Controls("开始时间")
    If .Value IsNot Nothing Then
        Filter = Filter & " and 日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("姓名")
    If .Value IsNot Nothing Then
        Filter = Filter & " and 姓名 = \'" & .Value & "\'"
    End If
End With
With e.Form.Controls("结束时间")
    If .Value IsNot Nothing Then
        Filter = Filter & " and 日期 <= #" & .Value & "#"
    End If
End With
If Filter > "" Then
    Tables("应收查询").Filter = Filter.replace("姓名", "托运单位")
    Tables("扣款录入").Filter = Filter.replace("姓名", "欠款人")
    Tables("已收款录入").Filter = Filter.replace("姓名", "交款单位")
    Tables("应付查询").Filter = Filter.replace("姓名", "承运单位")
End If

Dim dt As DataTable = DataTables("综合查询")
dt.DataRows.Clear
Dim tbs() As String = {"应收查询", "扣款录入", "已收款录入", "应付查询"}
For i As Integer = 1 To tbs.length
    Dim tb = tbs(i-1)
    For Each xm As String In DataTables(tb).GetValues("姓名" & i, Tables(tb).Filter & " and 姓名" & i & " is not null")
        Dim fdr As DataRow = dt.Find("姓名 = \'" & xm & "\'")
        If fdr Is Nothing Then
            fdr = dt.AddNew
            fdr("姓名") = xm
        End If
        fdr(tb & "金额") = DataTables(tb).Compute("sum(金额" & i & ")", "姓名" & i & " = \'" & xm & "\' and " & Tables(tb).Filter)
        If fdr.Isnull(tb & "金额") Then fdr(tb & "金额") = 0
    Next
Next

此主题相关图片如下：运行错误.png

应收查询 和 应付查询 都是查询表，不影响吧？原始代码如下：

Dim Filter As String = "1=1"
With e.Form.Controls("开始时间")
    If .Value IsNot Nothing Then
        Filter = Filter & " and 日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("姓名")
    If .Value IsNot Nothing Then
        Filter = Filter & " and 姓名 = \'" & .Value & "\'"
    End If
End With
With e.Form.Controls("结束时间")
    If .Value IsNot Nothing Then
        Filter = Filter & " and 日期 <= #" & .Value & "#"
    End If
End With
If Filter > "" Then
    Tables("表A").Filter = Filter.replace("姓名", "姓名1")
    Tables("表B").Filter = Filter.replace("姓名", "姓名2")
    Tables("表C").Filter = Filter.replace("姓名", "姓名3")
    Tables("表D").Filter = Filter.replace("姓名", "姓名4")
End If

Dim dt As DataTable = DataTables("表E")
dt.DataRows.Clear
Dim tbs() As String = {"表A", "表B", "表C", "表D"}
For i As Integer = 1 To tbs.length
    Dim tb = tbs(i-1)
    For Each xm As String In DataTables(tb).GetValues("姓名" & i, Tables(tb).Filter & " and 姓名" & i & " is not null")
        Dim fdr As DataRow = dt.Find("姓名 = \'" & xm & "\'")
        If fdr Is Nothing Then
            fdr = dt.AddNew
            fdr("姓名") = xm
        End If
        fdr(tb & "金额") = DataTables(tb).Compute("sum(金额" & i & ")", "姓名" & i & " = \'" & xm & "\' and " & Tables(tb).Filter)
        If fdr.Isnull(tb & "金额") Then fdr(tb & "金额") = 0
    Next
Next