To get selected rows in Class cl_salv_hierseq_table

Hi,
Following is the code I have used to get checkbox in parent entry using class CL_SALV_SELECTIONS .
DATA: gt_parent TYPE TABLE OF scarr.
DATA: gt_child TYPE TABLE OF sflight.
DATA: gr_table TYPE REF TO cl_salv_hierseq_table.
DATA: gr_selections TYPE REF TO cl_salv_selections.
DATA: lt_binding TYPE salv_t_hierseq_binding.
DATA: ls_binding TYPE salv_s_hierseq_binding.
SELECT * FROM scarr INTO CORRESPONDING FIELDS OF TABLE gt_parent.
SELECT * FROM sflight INTO CORRESPONDING FIELDS OF TABLE gt_child.
ls_binding-master = 'CARRID'.
ls_binding-slave = 'CARRID'.
APPEND ls_binding TO lt_binding.
CALL METHOD cl_salv_hierseq_table=>factory
EXPORTING
    t_binding_level1_level2 = lt_binding
IMPORTING
    r_hierseq               = gr_table
CHANGING
    t_table_level1          = gt_parent
    t_table_level2          = gt_child.
gr_selections = gr_table->get_selections( level = 1 ).
gr_selections->set_selection_mode( cl_salv_selections=>if_salv_c_selection_mode~multiple ).
gr_table->display( ).
Now, I want to get the selected rows .Iam not sure how to code my requirement.
Please help me with sample code.
Thanks,
Shivaa...
Edited by: shiva prasad on Oct 7, 2009 4:44 PM

at end of page event, for CL_SALV_EVENTS_HIERSEQ, has some useful parameters allowing to know where you are at the time of event
parameter VALUE is of type CL_SALV_FORM which contains public attribute IF_SALV_FORM~ACCDESCRIPTION; you can slo get contents of it
about text of total/subtotal, this is normally set in the layout

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