Form of Feld exist

Inden da vil jeg teste om den eksisterer.

what exists and when do you want to do this? Before opening the main form or before requerying the sub form????


Kan det være regtigt det kun kan gøres med en "kludeprogramering"


Well there are many things which can be done in Access with kludeprogramering, but once you start making mnroe advances systems there is no way you can avoid kludeprogramering.

How do you open your forms? kludeprogramering måske?

Well there are many things which can be done in Access WITHOUT kludeprogramering

Det skal være:  before requerying the sub form

Jeg opfatter "On Error" som kludeprogramering men er det eneste løsning så OK

Are you saying you get an error when you requery the sub form if no records exist?
I don't think that should happen, its NOT an error that no records exist!

Using error trapping is GOOD PRACTICE, its not at all kludeprogramering. i

NOT using error trapping is kludeprogramering  :-)

Denne kan smides i et standard modul - og dermed tilgås fra alle form events
Function controlExists%(formobj, controlname)
    Dim c
    For Each c In formobj.Controls
        If c.name = controlname Then
            controlExists = True
            Exit Function
        End If
    Next
End Function

Lidt leg udover din case:
Prøv at sætte et breakpoint i en underformalar start event - man behøver ingen kodelinier for at breake i en event - denne kan f.eks gøre det:

Private Sub Form_Open(Cancel As Integer)
    '
:
End Sub

hvor det er muligt at breake på colonet.

Tilføj expression 'me' til en watch og kigge igennem formobjektet indhold - aktuelt parent->controls->itemX->name

I imediatevinduet, prøv:
  ?controlExists(parent,"Ordre_Dataark_UFrm") 
eller
  ?controlExists(parent,"dyt")