DATA: o_salv TYPE REF TO cl_salv_table.
cl_salv_table=>factory( IMPORTING r_salv_table = o_salv
CHANGING t_table = l_lines ).
LOOP AT o_salv->get_columns( )->get( ) REFERENCE INTO DATA(l_column).
DATA(lo_column) = CAST cl_salv_column( l_column->r_column ).
lo_column->set_fixed_header_text( 'L' ).
ENDLOOP.
o_salv->get_columns( )->get_column( 'TEST1' )->set_long_text( 'Test1 Header' ).
o_salv->get_columns( )->get_column( 'TEST2' )->set_long_text( 'Test2 Header' ).
Tag: alv
[ABAP] Select-Option for ALV Layout
SELECTION-SCREEN BEGIN OF BLOCK b3 WITH FRAME TITLE text-b03.
PARAMETERS: p_vari TYPE slis_vari.
SELECTION-SCREEN END OF BLOCK b3.
INITIALIZATION.
"Load default layout
DATA: ls_layout TYPE salv_s_layout_info,
ls_key TYPE salv_s_layout_key.
ls_key-report = sy-repid.
ls_layout = cl_salv_layout_service=>get_default_layout( s_key = ls_key
restrict = '1' ).
p_vari = ls_layout-layout.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_vari.
"Value Help
DATA: ls_layout TYPE salv_s_layout_info,
ls_key TYPE salv_s_layout_key.
ls_key-report = sy-repid.
ls_layout = cl_salv_layout_service=>f4_layouts( s_key = ls_key
restrict = '1' ).
p_vari = ls_layout-layout.
[ABAP] CL_DEMO_OUTPUT
cl_demo_output=>new( )->write_data( lt_display_data )->display( ).
*or
cl_demo_output=>display( lt_display_data ).
[ABAP] SALV
TRY.
cl_salv_table=>factory( IMPORTING r_salv_table = DATA(alv_table)
CHANGING t_table = lt_display_data ).
alv_table->display( ).
CATCH cx_salv_msg.
ENDTRY.