>>Hi Larry,
>>
>>Thanks for the answer. Is is something like below?
>>
>>*** MyProc.Prg. Called from form button click method.
>>LOCAL lnDS
>>
>>lnDS = SET('DATASESSION')
>>loSess = CreateObject('SESSION')
>>SET DATASESSION TO loSess.DataSessionID
>>...
>>...
>>...
>>...
>>loSess.Destroy()
>>loSess = NULL
>>SET DATASESSION TO (lnDS)
>>RETURN
>>
>
>No. You have to do the processing and datasession set inside in the Session object. You can create a custom method to handle that. From the Button.Click method, you simply need to create an instance of your Session subclass and call the appropriate method.
>
>HTH.

Thanks Larry for your patience. Am I correct you are saying as below?

***Button Click Method
lo = createobject(mysess)
lo.myprocess


***In some procedureal file
define mysess as session
datasession=2
function init
set excl off
...
endfunc
function myprocess
...
endfunc
enddefine


Regards.