How to hide columns in ALV? (via cl_salv_table)

Dear forumers,
Is there a way for me to hide a few columns (or data fields) from being displayed in the ALV table, using the cl_salv_table method?
FORM display_data_alv .
TRY.
      CALL METHOD cl_salv_table=>factory
        IMPORTING
          r_salv_table = o_table
        CHANGING
          t_table      = i_ro_assets.
    CATCH cx_salv_msg.
ENDTRY.
o_functions = o_table->get_functions( ).
o_functions->set_all( abap_true ).
o_columns = o_table->get_columns( ).
o_columns->set_optimize( abap_true ).
PERFORM set_columns.
o_events = o_table->get_event( ).
CREATE OBJECT o_handle_events.
SET HANDLER o_handle_events->on_double_click FOR o_events.
o_table->display( ).
ENDFORM.                    " DISPLAY_DATA_ALV
FORM set_columns .
TRY.
      o_column ?= o_columns->get_column( 'BUKRS' ).
      o_column->set_long_text( text-008 ).
    CATCH cx_salv_not_found.
ENDTRY.
TRY.
      o_column ?= o_columns->get_column( 'ANLN1' ).
      o_column->set_long_text( text-009 ).
    CATCH cx_salv_not_found.
ENDTRY.
ENDFORM.                    " SET_COLUMNS
I have also tried to exclude some columns from the subroutine SET_COLUMNS, but they are still showing in the resulting ALV table. What can I do here next?
Appreciate any help here.
Thanks very much.

You can use the method SET_COLUMN_TECHNICAL of the class CL_SALV_COLUMN to hide the Column.
data:
ir_columns type ref to cl_salv_columns_table,
lr_column type ref to cl_salv_column.
try.
      lr_column = ir_columns->get_column( 'MANDT' ).
      lr_column->set_technical( if_salv_c_bool_sap=>true ).
    catch cx_salv_not_found.                            "#EC NO_HANDLER
endtry.
Check the report SALV_DEMO_TABLE_COLUMNS to know more about the Column processing in SALV model.
Regards,
Naimesh Patel

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Also what you can do is , when you display your ALV, in the application tool bar of ALV you can see the option of
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How to hide columns in ALV? (via cl_salv_table)

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