Description-, HelpContext-, HelpFile-, NativeError-, Number-, Source- und SQLState-Eigenschaft (Beispiel) (VB)

Gilt für: Access 2013, Office 2013

Dieses Beispiel löst einen Fehler aus, fängt ihn auf und zeigt die Eigenschaften Description, HelpContext, HelpFile, NativeError, Number, Source und SQLState des resultierenden Error-Objekts an.

    'BeginDescriptionVB
    Public Sub Main()
    
        Dim Cnxn As ADODB.Connection
        Dim Err As ADODB.Error
        Dim strError As String
        
        On Error GoTo ErrorHandler
        
        ' Intentionally trigger an error
        Set Cnxn = New ADODB.Connection
        Cnxn.Open "nothing"
        
        Set Cnxn = Nothing
        Exit Sub
    
    ErrorHandler:
    
        ' Enumerate Errors collection and display
        ' properties of each Error object
        For Each Err In Cnxn.Errors
            strError = "Error #" & Err.Number & vbCr & _
                "   " & Err.Description & vbCr & _
                "   (Source: " & Err.Source & ")" & vbCr & _
                "   (SQL State: " & Err.SQLState & ")" & vbCr & _
                "   (NativeError: " & Err.NativeError & ")" & vbCr
            If Err.HelpFile = "" Then
                strError = strError & "   No Help file available"
            Else
                strError = strError & _
                   "   (HelpFile: " & Err.HelpFile & ")" & vbCr & _
                   "   (HelpContext: " & Err.HelpContext & ")" & _
                   vbCr & vbCr
            End If
             
            Debug.Print strError
        Next
    
        Resume Next
    End Sub
    'EndDescriptionVB