“VBA On Error Goto Retry” Kode Jawaban

VBA On Error Goto Retry

'Counter for the errors
    ErrorCount = 0
    GoTo CheckConnection 'This statement is pointless if the label is directly after it

CheckConnection:
    'Try to execute the query

    ' This says to go to BadConnection if an error occurs after it,
    ' not if an error occurred previously
    On Error GoTo BadConnection
    db.Execute sqlq
    ' Start allowing errors to crash Excel again
    On Error GoTo 0
    'Query worked - continue processing
    '....

    '...
    Exit Sub

'Error handling code    
BadConnection:
    ' Start allowing errors to crash Excel again
    On Error GoTo 0
    If ErrorCount = 5 Then
        'If the query failed 5x, just give up and show the error message
        MsgBox "Giving up"
        Exit Sub
    End If
    'Add +1 to the counter
    ErrorCount = ErrorCount + 1
    'Allow the application to wait for 5 minutes
    Application.Wait (Now + TimeValue("0:05:00"))
    'Try the query again by Resuming at CheckConnection
    Resume CheckConnection