hi Peter.
thanks a lot.it worked.
reshma
----- Original Message -----
From: "Aaron Peter" <[EMAIL PROTECTED]>
To: "Palm Developer Forum" <[EMAIL PROTECTED]>
Sent: Thursday, September 13, 2001 12:01 PM
Subject: Re: How to append records to a database?how to change the offset?
> Hi,
> I just wanted to clarify , that's it. Are allocating required memory
to ur "test" varible before assinging it ?
>
> -Peter
>
>
> > what do mean by saying close the application?? see i'm closing the
database
> > using DmCloseDatabase().and i want to read records in the same
> > application.So why should i close the application?
> >
>
> >
> > > Hi,
> > > After entering some records...say 5 then u close ur application
and
> > then ur able to read the database back when u invoke ur
> > > application again?
> > >
> > > -Peter
> > >
> > > reshma wrote:
> > >
> > > > struct myrec
> > > > {
> > > > char *test;
> > > > };
> > > >
> > > > myrec *rec,record;
> > > >
> > > > dbref=DmOpenDatabaseByTypeCreator(DBTYPE,CREATORID,dmModeReadWrite);
> > > > if(!dbref)
> > > > FrmCustomAlert(DummyAlert,"error","","");
> > > > field1= (FieldPtr) GetObjectPtr(AddrecIDField);
> > > > record.test=FldGetTextPtr(field1);
> > > > FrmCustomAlert(DummyAlert,record.test,"","");
> > > > UInt16 at=dmMaxRecordIndex;
> > > > VoidHand q= DmNewRecord(dbref,&at,sizeof(myrec));
> > > > rec=(myrec *) MemHandleLock(q);
> > > > DmWrite(rec,0,&record,sizeof(record)); // i have doubt in
this
> > > > statement ie; specifying offset as zero
> > > > MemHandleUnlock(q);
> > > > DmReleaseRecord(dbref,at,true);
> > > > DmCloseDatabase(dbref);
> > > >
> > > > i am using this code and i feel that its overwriting the existing
record
> > > > even though i have opened the database using
> > > > dmModeReadwrite mode.please suggest if any corrections to be made.
> > > > please anybody give me code snippets to append , modify and delete
> > records
> > > > from a database.
> > > > and also for reading records one by one till end of file.
> > > >
> > > > regrds
> > > > reshma
> > > >
> > > > --
> > > > 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/
> > >
> >
> > --
> > 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/
>
--
For information on using the Palm Developer Forums, or to unsubscribe, please see
http://www.palmos.com/dev/tech/support/forums/
