How to pass control from main controller to sub controller?

Hi Experts,
I have created one controller named "available.do" by which I am calling a view "available.htm". On that view I am showing one Button which says Check Availability. On clicking of this button it shows another view "list.htm". But it is showing new view and old view on same page.
Second I want to add one button on second view "list.htm" which should perform some function. I don't know how I can achieve this functionality?
Someone has suggested me that for this I have to create sub controller...but i don't know much about it as I am new in BSP.
Kindly tell me and paste code so that I can solve my both problems.
<<Text removed>>
Thanks in Anticipation,
Virendra Kedia
Edited by: Matt on Oct 15, 2011 7:25 AM

Hi,
I guess you might have below coding in DO_INIT method,
me->view_main = 'main.htm'. "Where VIEW_MAIN is the attribute in you main controller of type STRING.
you should have below coding in DO_REQUEST of main controller.
DATA: main TYPE REF TO if_bsp_page.
me->dispatch_input( ).
*Create main view.
main = create_view( view_name = me->view_main ).
*Set desgin attribute.
main->set_attribute( name = 'design' value = application->design ).
*Call main page views.
call_view( main ).
*Activate Sub -controller.
controller_set_active( controller_id = 'sub_cntrl' active = lc_active ).
l_cntl_inst ?= get_controller( controller_id = lv_cntl_id ). "DATA: l_cntl_inst TYPE REF TO cl_bsp_controller.
*Call sub-controller.
call_controller( l_cntl_inst ).
Please check with this.
Thanks,
Chandra

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Message was edited by:
sunil kumar
Message was edited by:
sunil kumar

How to pass data from one internal session to another

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Reading Data Objects from Memory
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Deleting Data Clusters from Memory
please read this which provide more idea about memory
Message was edited by:
sunil kumar

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