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我正在使用下面的代码来审计我的表单以进行更改。当我使用tbl_MBR上的ID字段“MBRID”时,它可以很好地工作。但是,当我使用tbl_ItemMaster上的ID字段“IMID”时,出现错误:无法找到表达式中引用的字段“IMID”。任何想法为什么IMID无法找到?我的审计跟踪脚本不工作
Private Sub Form_AfterDelConfirm(Status As Integer)
If Status = acDeleteOK Then Call AuditChanges("IMID", "DELETE")
End Sub
Private Sub Form_BeforeUpdate(Cancel As Integer)
If Me.NewRecord Then
Call AuditChanges("IMID", "NEW")
Else
Call AuditChanges("IMID", "EDIT")
End If
End Sub
Sub AuditChanges(IDField As String, UserAction As String)
On Error GoTo AuditChanges_Err
Dim cnn As ADODB.Connection
Dim rst As ADODB.Recordset
Dim ctl As Control
Dim datTimeCheck As Date
Dim strUserID As String
Set cnn = CurrentProject.Connection
Set rst = New ADODB.Recordset
rst.Open "SELECT * FROM tbl_AuditChanges", cnn, adOpenDynamic, adLockOptimistic
datTimeCheck = Now()
strUserID = Environ("USERNAME")
Select Case UserAction
Case "EDIT"
For Each ctl In Me.Controls
Debug.Print ctl.Name
If ctl.Tag = "Audit" Then
If Nz(ctl.Value) <> Nz(ctl.OldValue) Then
With rst
.AddNew
![DateTime] = datTimeCheck
![UserName] = strUserID
![FormName] = Screen.ActiveForm.Name
![Action] = UserAction
![RecordID] = Screen.ActiveForm.Controls(IDField).Value
![FieldName] = ctl.ControlSource
![OldValue] = ctl.OldValue
![NewValue] = ctl.Value
.Update
End With
End If
End If
Next ctl
Case Else
With rst
.AddNew
![DateTime] = datTimeCheck
![UserName] = strUserID
![FormName] = Screen.ActiveForm.Name
![Action] = UserAction
![RecordID] = Screen.ActiveForm.Controls(IDField).Value
.Update
End With
End Select
AuditChanges_Exit:
On Error Resume Next
rst.Close
cnn.Close
Set rst = Nothing
Set cnn = Nothing
Exit Sub
AuditChanges_Err:
MsgBox Err.Description, vbCritical, "ERROR!"
Resume AuditChanges_Exit
End Sub
哪一行会引发错误?禁用错误处理程序进行调试。或者在第一行代码上设置断点并执行步骤。代码正在寻找名为IMID的控件。有一个吗?控件不必与其绑定的字段命名相同。 – June7
它不会给我那个信息。当我尝试编译它时,不会抛出任何错误。我试着一行一行地查找IMID时出现错误。当我使用MBRiD(tbl_MBR的ID字段)时,所有ctls都可以工作。 – Lando