Access 2010 Audit Trail на подформах
У меня проблемы с получением кода, который я нашел для контрольного журнала для работы с под формами. Оригинальный код отhttp://www.fontstuff.com/access/acctut21.htm, Я предпочел бы придерживаться этого кода, чем использовать код Аллена Браунаhttp://allenbrowne.com/appaudit.html, Кажется, проблема сScreen.ActiveForm.Controls
, Я читал, что это не работает с под формами. Есть ли способ, которым я могу изменить это для аудита под формы в моей базе данных?
Когда я записываю данные в форму, я получаю следующую ошибку: Microsoft не может найти поле «CalSubID», указанное в вашем выражении ».
В модуле у меня есть этот код (это только часть того, что, я думаю, имеет проблемы):
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 tblAuditTrail", cnn, adOpenDynamic, adLockOptimistic
datTimeCheck = Now()
strUserID = Forms!Login!cboUser.Column(1)
Select Case UserAction
Case "EDIT"
For Each ctl In Screen.ActiveForm.Controls
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
Затем в моих событиях «before update» и «AfterDelConfirm» для подчиненной формы, которую я имею (где «CalSubID» - это PK для подчиненной формы, и это то, что код основного модуля использует для отслеживания изменений):
-----------------------------------------------------------------------
Private Sub Form_BeforeUpdate(Cancel As Integer)
If Me.NewRecord Then
Call AuditChanges("CalSubID", "NEW")
Else
Call AuditChanges("CalSubID", "EDIT")
End If
End Sub
-----------------------------------------------------------------------
Private Sub Form_AfterDelConfirm(Status As Integer)
If Status = acDeleteOK Then Call AuditChanges("CalSubID", "DELETE")
End Sub
-----------------------------------------------------------------------
Модифицированный код:
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
'added code
Dim SubFormName As String
Set cnn = CurrentProject.Connection
Set rst = New ADODB.Recordset
rst.Open "SELECT * FROM tblAuditTrail", cnn, adOpenDynamic, adLockOptimistic
datTimeCheck = Now()
strUserID = Forms!Login!cboUser.Column(1)
'msgbox to display name (just for now to test code)
MsgBox (" " & Screen.ActiveForm.Name & " ")
'IF THEN statement to check if user is using form with subform
If Screen.ActiveForm.Name = "Cal Form" Then
SubFormName = "Cal Form Sub"
Select Case UserAction
Case "EDIT"
For Each ctl In Screen.ActiveForm
If ctl.ControlType = acSubform Then
SubFormName = ctl.Name
If ctl.Tag = "Audit" Then
If Nz(ctl.Value) <> Nz(ctl.OldValue) Then
With rst
.AddNew
![DateTime] = datTimeCheck
![UserName] = strUserID
![FormName] = SubFormName
![Action] = UserAction
![RecordID] = Forms![Screen.ActiveForm.Name]![SubFormName].Form![IDField].Value
![FieldName] = ctl.ControlSource
![OldValue] = ctl.OldValue
![NewValue] = ctl.Value
.Update
End With
End If
End If
'Getting error message at the --Next ctl-- line below, "next without for" message....
Next ctl
Case Else
With rst
.AddNew
![DateTime] = datTimeCheck
![UserName] = strUserID
![FormName] = SubFormName
![Action] = UserAction
![RecordID] = Forms![Screen.ActiveForm.Name]![SubFormName].Form![IDField].Value
.Update
End With
Set ctl = Nothing
End Select
Else
Select Case UserAction
Case "EDIT"
For Each ctl In Screen.ActiveForm.Controls
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