How to change Short, medium and long text of column

 How to change Short, medium and long text of column

Class: CL_SALV_COLUMN_TABLE

Methods: 

• SET_LONG_TEXT
• SET_MEDIUM_TEXT
• SET_SHORT_TEXT

The ALV report by default displays the short, medium and long text of field entered in Data dictionary. But if there is a requirement to change the field name in ALV report the below code can be used.

REPORT ztest_alv.

DATA: lo_alv   TYPE REF TO cl_salv_table.
DATA: lo_display TYPE REF TO cl_salv_display_settings.
DATA: lo_columns TYPE REF TO cl_salv_columns_table.
DATA: lo_column TYPE REF TO cl_salv_column_table.
DATA: ls_color TYPE lvc_s_colo.

START-OF-SELECTION.

  SELECT * FROM spfli INTO TABLE @DATA(lt_spfli).

  IF sy-subrc IS INITIAL.

    cl_salv_table=>factory(
      IMPORTING
        r_salv_table   = lo_alv
      CHANGING
        t_table        = lt_spfli[]
    ).

    lo_columns = lo_alv->get_columns( ).


    lo_column ?= lo_columns->get_column( columnname = 'FLTYPE' ).

    lo_column->set_long_text( value = 'This is long text' ).
    lo_column->set_medium_text( value = 'This is med text' ).
    lo_column->set_short_text( value = 'This is sh' ).

    lo_alv->display( ).

  ENDIF.