[AccessD] Connect String for Linked Table

Charlotte Foust charlotte.foust at gmail.com
Sat Nov 21 09:22:41 CST 2015


I've been using this approach for years and with no problems ... until
now.  The table I'm testing has to be there so it isn't deleted ever.  I'm
going around in circles!

Charlotte
On Nov 21, 2015 1:42 AM, "Gustav Brock" <gustav at cactus.dk> wrote:

> Hi Charlotte
>
> By second thought, I don't think you can check for a broken link other
> than trying to open the table and catch an error.
>
> A TableDef with a link doesn't go except if you delete it (why should
> you?). Or it might never has been there - it's a new table required by a
> new version of the application - and you would know that and have code that
> creates this TableDef.
>
> I just check one essential small table linked from the backend. If opening
> it fails, I relink all tables of that backend.
>
> /gustav
>
> ________________________________________
> Fra: AccessD <accessd-bounces at databaseadvisors.com> på vegne af Charlotte
> Foust <charlotte.foust at gmail.com>
> Sendt: 21. november 2015 00:02
> Til: Access Developers discussion and problem solving
> Emne: Re: [AccessD] Connect String for Linked Table
>
> Public Function DoesObjectExist(ByVal strObjName As String) As Boolean
>     On Error Resume Next
>     Dim intCnt As Integer
>
>     intCnt = DCount("[Name]", "MSysObjects", "[Name] = '" & strObjName &
> "'")
>     DoesObjectExist = (intCnt > 0)
> End Function
>
> this *usually* returns true for a table with a broken link. Except,
> sometimes it doesn't.  It does when I call it from the immediate window,
> but when it's called from code, it may return a False.  If my hair weren't
> already nearly white, it would be with this.
>
> I'm also sometimes getting "item not found in this collection" when I try
> to call the above routine from code.
>
> Charlotte
>
>
> Charlotte Foust
> (916) 206-4336
>
> On Fri, Nov 20, 2015 at 2:57 PM, Gustav Brock <gustav at cactus.dk> wrote:
>
> > Hi Charlotte
> >
> > And your code is?
> >
> > /gustav
> >
> > ________________________________________
> > Fra: AccessD <accessd-bounces at databaseadvisors.com> på vegne af
> Charlotte
> > Foust <charlotte.foust at gmail.com>
> > Sendt: 20. november 2015 23:15
> > Til: Access Developers discussion and problem solving
> > Emne: [AccessD] Connect String for Linked Table
> >
> > I'm working on a db built in 2010 on Windows 7 but I'm using 2013 on
> > Windows 10.  I have code that worked just fine last year but is breaking
> > this year because suddenly, if the back end file is moved or renamed, the
> > code to set a tabledef object to the linked table in question can't find
> > the linked table.  Obviously, the table still exists because the linked
> > table manager can see it, so it's still in the system tables, but the
> code
> > breaks.
> >
> > Any ideas?
> >
> > Charlotte Foust
> > (916) 206-4336
>
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