- Foxtable(狐表) (http://foxtable.net/bbs/index.asp)
-- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2)
---- [求助]流水账 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=176515)
-- 发布时间：2022/4/15 20:40:00
-- [求助]流水账
Select Case e.DataCol.Name
Case "理财账户名称","理财产品名称","买入本金","赎回本金"
Dim dr As DataRow
Dim mr As DataRow = e.DataRow
Dim drs As List(of DataRow)
dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [理财账户名称] = \'" & mr("理财账户名称") & "\' And [理财产品名称] = \'" & mr("理财产品名称") & "\'", "[_SortKey] Desc")
If dr Is Nothing Then
mr("当前持有金额") = mr("买入本金") - mr("赎回本金")
dr = mr
End If
drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [理财账户名称] = \'" & mr("理财账户名称") & "\' And [理财产品名称] = \'" & mr("理财产品名称") & "\'", "[_SortKey]")
For i As Integer = 1 To drs.Count - 1
drs(i)("当前持有金额") = drs(i-1)("当前持有金额") + drs(i)("买入本金") - drs(i)("赎回本金")
Next
If (e.DataCol.Name = "理财账户名称" OrElse e.DataCol.Name = "理财产品名称") AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [理财账户名称] = \'" & e.OldValue & "\' And [理财产品名称] = \'" & e.OldValue & "\'", "[_SortKey] Desc")
If dr Is Nothing Then
dr = e.DataTable.Find("[理财账户名称] = \'" & e.OldValue & "\' And [理财产品名称] = \'" & e.OldValue & "\'", "[_SortKey]")
If dr IsNot Nothing Then
dr("当前持有金额") = dr("买入本金") - dr("赎回本金")
End If
End If
If dr IsNot Nothing Then
drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey") & " And [理财账户名称] = \'" & dr("理财账户名称") & "\' And [理财产品名称] = \'" & dr("理财产品名称") & "\'", "[_SortKey]")
For i As Integer = 1 To drs.Count - 1
drs(i)("当前持有金额") = drs(i-1)("当前持有金额") + drs(i)("买入本金") - drs(i)("赎回本金")
Next
End If
End If
End Select
上面标黄处是不是写得有问题
-- 发布时间：2022/4/16 8:54:00
--
理财账户名称和理财产品名称分开单独处理
If e.DataCol.Name = "理财账户名称" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [理财账户名称] = \'" & e.OldValue & "\' And [理财产品名称] = \'" & dr("理财产品名称") & "\'", "[_SortKey] Desc")
If dr Is Nothing Then
……
If e.DataCol.Name = "理财产品名称" AndAlso e.OldValue IsNot Nothing AndAlso e.OldValue <> e.NewValue Then
dr = e.DataTable.Find("[_SortKey] < " & mr("_SortKey") & " And [理财账户名称] = \'" & dr("理财账户名称") & "\' And [理财产品名称] = \'" & e.OldValue & "\'", "[_SortKey] Desc")
If dr Is Nothing Then
……
-- 发布时间：2022/4/16 9:50:00
--
下面标黄处提示“无法在 System.DateTime 和 System.String 上执行“=”操作。”
Dim bjs As List(Of String()) = DataTables("公司理财项目明细账").GetValues("理财账户名称|理财产品名称|日期")
For Each bj As String() In bjs
Dim drs As List(Of DataRow) = DataTables("公司理财项目明细账").Select("[理财账户名称] = \'" & bj(0) & "\' and [理财产品名称] = \'" & bj(1) & "\' and [日期] = \'" & bj(2) & "\'", "理财账户名称,理财产品名称,日期")
For n As Integer = 0 To drs.Count - 1
Dim dn As Date = drs(n)("日期")
Dim tp1 As TimeSpan = Date.Today - dn
If n > 0 Then
Dim dn1 As Date = drs(n-1)("日期")
Dim tp As TimeSpan = dn - dn1
If drs(n)("日期") > drs(n-1)("日期") And drs(n)("当前持有金额")<>0 Then
drs(n-1)("当前金额持有天数") = tp
drs(n)("当前金额持有天数") = tp1
ElseIf drs(n)("日期") > drs(n-1)("日期") And drs(n)("当前持有金额")=0 Then
drs(n-1)("当前金额持有天数") = tp
drs(n)("当前金额持有天数") = Nothing
End If
ElseIf n=0 Then
drs(n)("当前金额持有天数") = tp1
End If
Next
Next
-- 发布时间：2022/4/16 10:01:00
--
"\' and [日期] = #" & bj(2) & "#",
-- 发布时间：2022/4/16 10:34:00
--
这样会提示
表达式包含无效的日期常量“##”
[此贴子已经被作者于2022/4/16 10:34:09编辑过]
-- 发布时间：2022/4/16 10:39:00
--
哦，大概知道怎么回事了，发现日期列有空值
-- 发布时间：2022/4/16 11:44:00
--
Select Case e.DataCol.Name
Case "买入日期","赎回日期"
If e.DataRow.IsNull("买入日期")=False Then
e.DataRow("日期") = e.DataRow("买入日期")
ElseIf e.DataRow.IsNull("赎回日期")=False Then
e.DataRow("日期") = e.DataRow("赎回日期")
End If
End Select
Select Case e.DataCol.Name
Case "理财账户名称","理财产品名称","日期"
If e.DataRow.Isnull("日期") =False Then
Dim bjs As List(Of String()) = DataTables("公司理财项目明细账").GetValues("理财账户名称|理财产品名称|日期")
For Each bj As String() In bjs
Dim drs As List(Of DataRow) = DataTables("公司理财项目明细账").Select("[理财账户名称] = \'" & bj(0) & "\' and [理财产品名称] = \'" & bj(1) & "\' and [日期] = \'" & bj(2) & "\'", "理财账户名称,理财产品名称,日期")
For n As Integer = 0 To drs.Count - 1
Dim dn As Date = drs(n)("日期")
Dim da As Date = Date.Today
Dim tp1 As TimeSpan = da - dn
If n > 0 Then
Dim dn1 As Date = drs(n-1)("日期")
Dim tp As TimeSpan = dn - dn1
If drs(n)("日期") > drs(n-1)("日期") And drs(n)("当前持有金额")<>0 Then
drs(n-1)("当前金额持有天数") = tp
drs(n)("当前金额持有天数") = tp1
ElseIf drs(n)("日期") > drs(n-1)("日期") And drs(n)("当前持有金额")=0 Then
drs(n-1)("当前金额持有天数") = tp
drs(n)("当前金额持有天数") = Nothing
End If
ElseIf n=0 Then
drs(n)("当前金额持有天数") = tp1
End If
Next
Next
End If
End Select
提示：参数“Expression”无法转换为类型“TimeSpan”。
-- 发布时间：2022/4/16 11:47:00
--
drs(n-1)("当前金额持有天数") = tp.TotalDays
-- 发布时间：2022/4/16 14:40:00
--
Select Case e.DataCol.Name
Case "理财账户产品名称","日期"
If e.DataRow.Isnull("日期") =False Then
Dim bjs As List(Of String()) = DataTables("公司理财项目明细账").GetValues("理财账户产品名称|日期")
For Each bj As String() In bjs
Dim drs As List(Of DataRow) = DataTables("公司理财项目明细账").Select("[理财账户产品名称] = \'" & bj(0) & "\' and [日期] = \'" & bj(1) & "\'", "理财账户产品名称,日期")
For n As Integer = 0 To drs.Count - 1
If n > 0 Then
Dim dn As Date = drs(n)("日期")
Dim dn1 As Date = drs(n-1)("日期")
Dim da As Date = Date.Today
Dim tp As TimeSpan = dn - dn1
Dim tp1 As TimeSpan = da - dn
If drs(n)("当前持有金额")<>0 Then
drs(n-1)("当前金额持有天数") = tp.TotalDays
drs(n)("当前金额持有天数") = tp1.TotalDays
ElseIf drs(n)("当前持有金额")=0 Then
drs(n)("当前金额持有天数") = tp.TotalDays
drs(n)("当前金额持有天数") = Nothing
End If
ElseIf n=0 Then
Dim dn As Date = drs(n)("日期")
Dim da As Date = Date.Today
Dim tp1 As TimeSpan = da - dn
drs(n)("当前金额持有天数") = tp1.TotalDays
End If
Next
Next
End If
End Select
上述出来的是"当前金额持有天数"的结果，想实现“正确”列中这样的结果，要怎么调整
此主题相关图片如下：微信图片_20220416144128.png
[此贴子已经被作者于2022/4/16 15:29:38编辑过]
-- 发布时间：2022/4/16 15:36:00
--
计算逻辑是什么？