problem in get_selected_rows

hi

actually wat i mdoin is i m usin cl_gui_alv_grid.its having reset button so after selecting the perticular field i press reset button it does some processin. so in this situation the get_selected works fine first time the next time witout exiting i select some more rows n press reset the get_selected is not workin

CLASS lcl_reset_event_receiver DEFINITION.

PUBLIC SECTION.

METHODS :

• To add new functional buttons to the ALV toolbar

handle_toolbar_0100

FOR EVENT toolbar OF cl_gui_alv_grid

IMPORTING e_object e_interactive,

• To implement user commands

handle_user_command

FOR EVENT user_command OF cl_gui_alv_grid

IMPORTING e_ucomm,

• Double-click in screen 0100

handle_double_click

FOR EVENT double_click OF cl_gui_alv_grid

IMPORTING e_row .

ENDCLASS. "class lcl_reset_event_receiver definition.

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CLASS lcl_reset_event_receiver IMPLEMENTATION .

METHOD handle_toolbar_0100.

ENDMETHOD.

METHOD handle_user_command .

CLEAR lv_flag.

• get selected rows

REFRESH gt_selected_rows.

CALL METHOD g_alv->get_selected_rows

IMPORTING et_index_rows = gt_selected_rows.

IF NOT gt_selected_rows[] IS INITIAL.

CALL FUNCTION 'POPUP_TO_CONFIRM_STEP'

EXPORTING

textline1 = text-114

titel = text-115 "#EC NOTEXT

start_column = 25

start_row = 6

cancel_display = ''

IMPORTING

answer = lv_flag.

IF lv_flag EQ 'J'.

PERFORM selected_rows USING

CHANGING gt_success.

ELSE.

• MESSAGE WHEN NO LINES SELECTED!!!

MESSAGE i113(z2).

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MODULE user_command_0100 INPUT.

CASE sy-ucomm.

WHEN 'BACK' .

LEAVE PROGRAM.

WHEN 'RESET'.

SET HANDLER gv_event_handler->handle_user_command FOR g_alv.

ENDCASE.

ENDMODULE. " USER_COMMAND_0100 INPUT

ENDIF.

ENDIF. "IF gt_selected_rows[] IS INITIAL

ENDMETHOD.

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plz help me wid this