Error 3021 when deleting item from recordset

2019-07-28 18:29发布

When I use the code below, I sometimes receive a Error 3021. This only happens when I have one record in the recordset. Can you please tell me why, and how to fix it? It seems I've tried everything!

Thanks

Private Sub cmdDelSelectedAction_Click()

response = MsgBox("Are you sure?", vbYesNo, "Confirmation required")
If response = vbNo Then Exit Sub

If Me.[Arrangement-Actions subform].Form.Recordset.EOF Then
    Me.[Arrangement-Actions subform].Form.Recordset.MovePrevious
End If

If Me.[Arrangement-Actions subform].Form.Recordset.BOF Then
    Me.[Arrangement-Actions subform].Form.Recordset.MoveNext
End If

Me.[Arrangement-Actions subform].Form.Recordset.Delete
Me.[Arrangement-Actions subform].Form.Recordset.MoveNext

End Sub

1条回答
Viruses.
2楼-- · 2019-07-28 18:56

It's been a while, but I think the code would look like this:

Private Sub cmdDelSelectedAction_Click()
  Dim rec As Recordset = Me.[Arrangement-Actions subform].Form.Recordset
  If Not rec.BOF Or Not rec.EOF Then
    If MsgBox("Are you sure?", vbYesNo, "Confirm") = vbYes Then
      rec.Delete
    End If
  End If
End Sub

I find it a little odd that in your code you would ask to confirm to delete the record, and then before deleting the record, you would perform a MoveNext or a MovePrevious on the recordset. I would stay away from doing that since the end user might be deleting a different record than they were expecting.

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