Maitenance view -- Parallel Maintenance required

I created a maintenance view of ztable.
while maintaing the data in one session of view using FM 'view_maintenance_call' system is locking all entries in ztable while it should lock only displayed entries.
How i can achieve this ?
My requirement is to maintan data is ztable in Multiple sessions. Is writing dialog program is the only solution ?
Regards
Gopal

Hi Gopal,
1. This is how SAP works.
   To ensure integrity.
2. In a maintenance view,
   when a user enters/updates/inserts the record,
   the data is NOT IMMEDIATELY written to the database.
   (it is just stored in internal table)
3. While final saving / coming out of the tcode,
   the program saves it into datbase.
4. If it worked in the way u desired,
   then, because of simulataneous
   updattion / insertion / deletion etc,
   synchronisation is not possible between users.
The system will not be able to detect.
Hence, it locks all entries.
(It is just like Purchase order items.
   when we edit a purcahse order items,
    it is locked as well as all its line items)
Here table name is the PO
and table records are the line items.
5. I think this kind of default behaviour
of sap is quite justified.
If ur requirement is a must,
then definitely table control won't help.
It has to be something like
a) Initial Screen for selecting 1 record (or inserting)
b) secondary screen (with details of just 1 record)
Multiple reocrds like in a table control
won't help to maintain data integrity
I hope it helps.
Regards,
Amit M.

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