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
> > >
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