Question

您好我正在开发一个MVC4应用程序。我正在研究一个复杂的查询，实际上我不知道这是否可行。我将解释这个场景，我会把我到目前为止尝试的内容。我在SQL中有一个日志日志表，结构如下。

Option Explicit
Sub remDup()
    Dim ws1 As Worksheet: Set ws1 = ThisWorkbook.Sheets("Sheet1")
    Dim ws2 As Worksheet: Set ws2 = ThisWorkbook.Sheets("Sheet2")
    Dim ws3 As Worksheet: Set ws3 = ThisWorkbook.Sheets("Sheet3")
    Dim LR As Long, LRSheet2 As Long, i As Long, a As Long
    Dim vAllSheet2Values() As String, sheet2Val As Variant

    LRSheet2 = ws2.Cells(ws2.Rows.Count, 3).End(xlUp).Row
    LR = ws1.Cells(ws1.Rows.Count, 11).End(xlUp).Row
    a = 2

    For i = 1 To LRSheet2
        ReDim Preserve vAllSheet2Values(i)
        If ws2.Cells(i, 3).Value <> "" Then _
            vAllSheet2Values(i) = CStr(ws2.Cells(i, 3).Value) 'Don't add blanks
        Debug.Print ws2.Cells(i, 3).Value
    Next i

    For i = LR To 1 Step -1
        If ws1.Cells(i, 11).Value = "" Then GoTo SkipTheRest 'Skip blanks
        For Each sheet2Val In vAllSheet2Values
            If InStr(sheet2Val, CStr(ws1.Cells(i, 11).Value)) <> 0 Then
                ws1.Rows(i).Copy ws3.Rows(a)
                ws1.Rows(i).Delete
                a = a + 1
                GoTo SkipTheRest 'Match found, skip the rest
            End If
        Next sheet2Val
        'You can include the following statement if you want to catch when there
        'isn't a match on Sheet1
        'MsgBox "No match found for " & ws1.Cells(i, 11).Value, vbOKOnly, "No Match"
SkipTheRest:
    Next i
End Sub

这是我的日志表。例如，护照将包含字段Docnumber和expirydate。最初上传时，不会进行验证。后来的管理员拒绝它并批准它。每个操作我都在维护updateVersion。现在我想要结果如下。

ID   uploadID   docType   updateVersion  FieldName     FieldValue    Status
1    1          Passport       1         Docnumber     123          NotVerified
2    1          Passport       1         Expirydate    01/01/2016   NotVerified
3    1          Passport       2         Docnumber     456          Rejected
4    1          Passport       2         Expirydate    01/01/2017   Rejected
5    1          Passport       3         Docnumber     789          Approved
6    1          Passport       3         Expirydate    01/01/2019   Approved

在结果表格中，我期待旧值，新值，旧状态和新状态。我通过updateVersion跟踪每个条目。但是我想显示特定的upldId初始值和最后更新的值。我想跳过中间值。有人能告诉我这可以在LINQ中实现或者我是否需要使用任何其他逻辑？谢谢你们。

Linq查询将行数据作为列

0 个答案: