How do you implemtn Lock concept in Dialog Programing

[Former Member]

Hi Friends

How do you implement lock concept in a dialog Prgram when updating a custom table?

Any Help would be appericiated.

Thanks,

Rinky

[Former Member]

Hi,

Please check this links perhaps they may help.

http://help.sap.com/saphelp_nw04s/helpdata/en/41/7af4c5a79e11d1950f0000e82de14a/content.htm

http://help.sap.com/saphelp_nw04s/helpdata/en/41/7af4c8a79e11d1950f0000e82de14a/content.htm

Regards,

Ferry Lianto

[Former Member]

Hi,

Steps.

1) Create a lock object for the custom table in SE11.

Go to SE11...Give the lock object name..Ex...EZ_TABLE_1..

Press create..Then give the table name..Then save and activate..

Then it will generate two function modules..ENQUEUE & DEQUEUE..

You can know FMs..By choosing..GOTO -> LOCK MODULES.

ENQUEUE is used to lock the record.

DEQUEUE is used to unlock the record.

2)

Before updating the custom table..

Call the ENQUEUE function module with the key values to lock the record ..

IF the return code (SY-SUBRC <> 0) is not equal to zero.. Then the record is already locked by another user.

If the return code is zero..Then the record is locked successfully...

Update the custom table for that record..

Unlock the record by calling the DEQUEUE FM.

Hope this helps..

THanks,

Naren