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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