yes you'r right I just had to call the DmNumRecords after the test if the
the database exist and the creation, sorry it was evident, thx for your
help..
Fabrice
<[EMAIL PROTECTED]> wrote in message news:35545@palm-dev-forum...
>
>
>
> Fabrice,
>
> Your problem is not clear to me. If I take your posted source code and
execute
> it, it will crash because of the first call to DmNumRecords. If I change
the
> code to call DmNumRecords after the databases exist and run it again, it
runs
> just fine.
>
> -- Keith Rollin
> -- Palm OS Emulator engineer
>
>
>
>
>
>
> "Fabrice Meichtry" <[EMAIL PROTECTED]> on 01/11/2001
02:54:37
> AM
>
> Please respond to "Palm Developer Forum" <[EMAIL PROTECTED]>
>
> Sent by: "Fabrice Meichtry" <[EMAIL PROTECTED]>
>
>
> To: "Palm Developer Forum" <[EMAIL PROTECTED]>
> cc: (Keith Rollin/US/PALM)
> Subject: Re: Fatal error when I'm trying to create multiple databases
>
>
>
> Firs thanks for your answer..
>
> I have tried but the problem when I call more than one time DmNumRecords
> because the DmOpenRef is OK. Maybe I should do someting just after to have
> used the DmNumRecords but why ??
>
>
> <[EMAIL PROTECTED]> wrote in message news:35537@palm-dev-forum...
> >
> >
> >
> > Fabrice,
> >
> > Running your program under Palm OS Emulator and using a debugger, the
> problem
> > was obvious. When I ran it, I got an error message saying that
low-memory
> was
> > being accessed. Clicking on the Debug button in the dialog and breaking
> into
> > the debugger, I saw that the access was made in the first call
> DmNumRecords.
> > Using the debugger to look at the calling function, I saw that
> DmNumRecords was
> > being called with commandeDB and that commandeDB was NULL.
> >
> > So...you shouldn't call DmNumRecords with an invalid DmOpenRef.
> >
> > -- Keith Rollin
> > -- Palm OS Emulator engineer
> >
> >
> >
> >
> >
> >
> > "Fabrice Meichtry" <[EMAIL PROTECTED]> on 01/11/2001
> 02:22:30
> > AM
> >
> > Please respond to "Palm Developer Forum"
<[EMAIL PROTECTED]>
> >
> > Sent by: "Fabrice Meichtry" <[EMAIL PROTECTED]>
> >
> >
> > To: "Palm Developer Forum" <[EMAIL PROTECTED]>
> > cc: (Keith Rollin/US/PALM)
> > Subject: Fatal error when I'm trying to create multiple databases
> >
> >
> >
> > Hello,
> >
> > I have a problem when I'm trying to create more than one database in my
> > application. When I have one it's working fine but when I try to create
> one
>
> > more, I get a FATAL ERROR.. Someone know of this problem ??
> >
> > Thx
> >
> > Here my code :
> >
> >
> >
>
****************************************************************************
> > ***************************
> >
> >
> > #define DM_CARDNO 0
> >
> > #define DM_DBNAME "CommandeDB"
> > #define DM_DBTYPE 'Comm'
> > #define DM_DBCREATOR 'Firs'
> >
> > #define DM_DBNAMEF "FinalCommandeDB"
> > #define DM_DBTYPEF 'Fina'
> > #define DM_DBCREATORF 'Firs'
> >
> >
> > #define DM_DBNAMEA "ArticleDB"
> > #define DM_DBTYPEA 'Arti'
> > #define DM_DBCREATORA 'Firs'
> >
> > //My appStart
> >
> >
> > commandeDB = DmOpenDatabaseByTypeCreator(DM_DBTYPE, DM_DBCREATOR,
> > dmModeReadWrite) ;
> > numRecords = DmNumRecords(commandeDB) ;
> >
> >
> > if (!commandeDB)
> > {
> > err = DmCreateDatabase(DM_CARDNO, DM_DBNAME, DM_DBCREATOR,
DM_DBTYPE,
> > false) ;
> >
> > if (err)
> > return err ;
> >
> > commandeDB = DmOpenDatabaseByTypeCreator(DM_DBTYPE, DM_DBCREATOR,
> > dmModeReadWrite) ;
> >
> > if(!commandeDB)
> > return DmGetLastErr() ;
> > }
> >
> > articleDB = DmOpenDatabaseByTypeCreator(DM_DBTYPEA, DM_DBCREATORA,
> > dmModeReadWrite) ;
> > numRecordsA = DmNumRecords(articleDB) ;
> >
> >
> > if (!articleDB)
> > {
> > err2 = DmCreateDatabase(DM_CARDNO, DM_DBNAMEA, DM_DBCREATORA,
> > DM_DBTYPEA, false) ;
> >
> > if (err2)
> > return err2 ;
> >
> > articleDB = DmOpenDatabaseByTypeCreator(DM_DBTYPEA, DM_DBCREATORA,
> > dmModeReadWrite) ;
> >
> > if(!articleDB)
> > return DmGetLastErr() ;
> > }
> > saveArticleRecord() ;
> >
> >
> >
> >
> >
> >
>
>
>
> --
> For information on using the Palm Developer Forums, or to unsubscribe,
please
> see http://www.palmos.com/dev/tech/support/forums/
>
>
>
>
>
>
--
For information on using the Palm Developer Forums, or to unsubscribe, please see
http://www.palmos.com/dev/tech/support/forums/
