Custom heading for field in ALV

Hi Friends,
How to give our own text for column(field) heading webdynpro alv reports as in general abap we use
fieldcatlogue to achive the same.
Pls reply.....
Thanks in advance.

Hi,
Get the column ref and chnagwe the text...
Get the column ref
CALL METHOD lo_value->if_salv_wd_column_settings~get_columns
    RECEIVING
      value = lt_columns.
loop the table lt_columns ....and get the r_column ....
lr_column = ls_column-r_column.
CALL METHOD lr_column->get_header
        RECEIVING
          value = lr_alv_header.
*    Set column heading
      *lv_name = 'Material number'.*   
  lr_alv_header->set_ddic_binding_field(
       if_salv_wd_c_ddic_binding=>ddic_bind_none ).
      lr_alv_header->set_text( lv_name ).

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      where rzzlifnr in s_vendor.
      endselect.
      if sy-subrc ne 0.
        message e004 with 'Invalid Range of Vendor'(002)
    s_vendor-low 'To'(006) s_vendor-high.
      endif.
    endform.                    " validate_s_vendor
    *&      Form  validate_s_cust
          Validating the Customer
    form validate_s_cust.
       select rzzkunnr up to 1 rows
       into (zzgeinz9a-rzzkunnr)
       from zzgeinz9a
       where rzzkunnr in s_cust.
       endselect.
       if sy-subrc ne 0.
         message e004 with 'Invalid Range of Customer'(005)
    s_cust-low 'To'(006) s_cust-high.
      endif.
    endform.                    " validate_s_cust
    *&      Form  validate_p_comp1
          Validating the Company Code
    form validate_p_comp1.
      select single bukrs
             into   (t001-bukrs)
             from   t001
             where  bukrs eq p_comp1.
      if sy-subrc ne 0.
        message e004 with 'Company Code'(004) p_comp1 'Does not Exists'(003)
      endif.
    endform.                    " validate_p_comp1
    *&      Form  validate_p_comp2
          Validating the Company Code
    form validate_p_comp2.
      select single bukrs
             into   (t001-bukrs)
             from   t001
             where  bukrs eq p_comp2.
      if sy-subrc ne 0.
        message e004 with 'Company Code'(004) p_comp2 'Does not Exists'(003)
      endif.
    endform.                    " validate_p_comp2
    *&      Form  get_vendor_data
          Getting the Vendor Related Docs
    form get_vendor_data.
    select a~rzzlifnr
            b~name1
            a~docnr
            a~refdocnr
            a~rzz_ebeln
            a~hsl
        into corresponding fields of table it_final_vendor
        from zzgeinz9a as a
        inner join lfa1 as b
        on arzzlifnr = blifnr
        where rzzlifnr in s_vendor
        and   rbukrs   eq p_comp1.
        if sy-subrc eq 0.
          v_flag = 'X'.
          p_year = sy-datum+0(4).
          perform get_doc_date using p_comp1
                                     p_year.
          perform move_records.
          sort it_final_vendor by rzzlifnr.
          perform generate_data.
        else.
          v_flag = space.
        endif.
    endform.                    " get_vendor_data
    *&      Form  get_customer_data
          Getting the Customer Related Docs
    form get_customer_data.
    select a~rzzkunnr
            b~name1
            a~docnr
            a~refdocnr
            a~rzz_ebeln
            a~hsl
        into corresponding fields of table it_final_customer
        from zzgeinz9a as a
        inner join kna1 as b
        on arzzkunnr = bkunnr
        where rzzkunnr in s_cust
        and   rbukrs   eq p_comp2.
        if sy-subrc eq 0.
          v_flag = 'X'.
          p_year = sy-datum+0(4).
          perform get_doc_date_cust using p_comp2
                                          p_year.
          perform move_records_cust.
          sort it_final_customer by rzzkunnr.
          perform generate_data_cust.
        else.
          v_flag = space.
        endif.
    endform.                    " get_customer_data
    *&      Form  get_doc_date
          Getting the Document Date and FI Doc No
         -->P_P_COMP1 Company Code
         -->P_P_YEAR  Fiscal Year
    form get_doc_date using    p_p_comp1
                               p_p_year.
      loop at it_final_vendor.
        concatenate it_final_vendor-refdocnr '*' into
    it_final_vendor-doc_date.
        modify it_final_vendor index sy-tabix.
    endloop.
    clear it_final_vendor.
    data: v_doc_date(11) type c,
          v_belnr like bkpf-belnr,
          v_bldat like bkpf-bldat.
          loop at it_final_vendor.
           concatenate it_final_vendor-refdocnr '%' into v_doc_date.
            select single belnr
                          bldat
                   into corresponding fields of it_final_vendor
                   from bkpf
                   where bukrs eq p_p_comp1
                   and   gjahr eq p_p_year
                   and   awkey like v_doc_date.
                   modify it_final_vendor.
           endloop.
        clear:it_final_vendor.
    endform.                    " get_doc_date
    *&      Form  move_records
          Moving records to final internal table
    form move_records.
    *--Checking the existance of belnr in bsik
    clear it_final_vendor.
      select belnr
             zbd1t
             into table it_final_bsik
             from bsik
             for all entries in it_final_vendor
             where belnr eq it_final_vendor-belnr
             and   bukrs eq c_bukrs.
    clear it_final_bsik.
      loop at it_final_vendor.
        read table it_final_bsik with key belnr = it_final_vendor-belnr.
        if sy-subrc eq 0.
          it_final_vendor-zbd1t = it_final_bsik-zbd1t.
          it_final_vendor-due_date = it_final_vendor-bldat +
    it_final_bsik-zbd1t.
          it_final_vendor-found    = 'X'.
          modify it_final_vendor.
        endif.
      endloop.
    endform.                    " move_records
    *&      Form  generate_data
          Segregating the records based on due_date
    form generate_data.
      delete it_final_vendor[] where found ne 'X'.
      sort it_final_vendor by belnr.
      loop at it_final_vendor.
        if it_final_vendor-due_date > p_rundt1.
          move-corresponding it_final_vendor to it_final_vendor_temp.
          move it_final_vendor-hsl to it_final_vendor_temp-not_due.
        elseif it_final_vendor-due_date < p_rundt1.
          it_final_vendor-due_days = p_rundt1 - it_final_vendor-DUE_DATE.
        endif.
    *--filling 0-30 bucket.
        if it_final_vendor-due_days ge 0 AND it_final_vendor-due_days le 30.
          move-corresponding it_final_vendor to it_final_vendor_temp.
          move it_final_vendor-hsl to it_final_vendor_temp-buck_0_30.
    *--filling 31-60 bucket.
    elseif it_final_vendor-due_days ge 31 AND it_final_vendor-due_days le 60
          move-corresponding it_final_vendor to it_final_vendor_temp.
          move it_final_vendor-hsl to it_final_vendor_temp-buck_31_60.
    *--filling 61-90 bucket.
    elseif it_final_vendor-due_days ge 61 AND it_final_vendor-due_days le 90
          move-corresponding it_final_vendor to it_final_vendor_temp.
          move it_final_vendor-hsl to it_final_vendor_temp-buck_61_90.
    *--filling 91-180 bucket.
        elseif it_final_vendor-due_days ge 91 AND it_final_vendor-due_days
    le 180.
          move-corresponding it_final_vendor to it_final_vendor_temp.
          move it_final_vendor-hsl to it_final_vendor_temp-buck_91_180.
    *--filling 180 bucket.
        elseif it_final_vendor-due_days gt 180.
          move-corresponding it_final_vendor to it_final_vendor_temp.
          move it_final_vendor-hsl to it_final_vendor_temp-buck_180.
        endif.
         append it_final_vendor_temp.
         clear it_final_vendor_temp.
      endloop.
    endform.                    " generate_data
    *&      Form  DISP_ALV_GRID_VENDOR
          Displaying the output in grid For Vendor
    form DISP_ALV_GRID_VENDOR.
    *--Generating the OUTPUT GRID FOR VENDOR
      call function 'REUSE_ALV_GRID_DISPLAY'
       EXPORTING
        I_INTERFACE_CHECK                 = ' '
        I_BYPASSING_BUFFER                =
        I_BUFFER_ACTIVE                   = ' '
          I_CALLBACK_PROGRAM                = v_repid
        I_CALLBACK_PF_STATUS_SET          = ' '
        I_CALLBACK_USER_COMMAND           = ' '
        I_CALLBACK_TOP_OF_PAGE            = ' '
        I_CALLBACK_HTML_TOP_OF_PAGE       = ' '
        I_CALLBACK_HTML_END_OF_LIST       = ' '
        I_STRUCTURE_NAME                  =
        I_BACKGROUND_ID                   = ' '
        I_GRID_TITLE                      =
        I_GRID_SETTINGS                   =
          IS_LAYOUT                         = wa_layout
          IT_FIELDCAT                       = i_fldcat_head
        IT_EXCLUDING                      =
          IT_SPECIAL_GROUPS                 = i_group
          IT_SORT                           = it_sort[]
        IT_FILTER                         =
        IS_SEL_HIDE                       =
        I_DEFAULT                         = 'X'
        I_SAVE                            = ' '
        IS_VARIANT                        =
          IT_EVENTS                         = i_events
        IT_EVENT_EXIT                     =
        IS_PRINT                          =
        IS_REPREP_ID                      =
        I_SCREEN_START_COLUMN             = 0
        I_SCREEN_START_LINE               = 0
        I_SCREEN_END_COLUMN               = 0
        I_SCREEN_END_LINE                 = 0
        IT_ALV_GRAPHICS                   =
        IT_ADD_FIELDCAT                   =
        IT_HYPERLINK                      =
        I_HTML_HEIGHT_TOP                 =
        I_HTML_HEIGHT_END                 =
        IT_EXCEPT_QINFO                   =
      IMPORTING
        E_EXIT_CAUSED_BY_CALLER           =
        ES_EXIT_CAUSED_BY_USER            =
        tables
          t_outtab                          = it_final_vendor_temp
       EXCEPTIONS
         PROGRAM_ERROR                     = 1
         OTHERS                            = 2
      if sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      endif.
    endform.                    " DISP_ALV_GRID
    *&      Form  get_doc_date_cust
          text
         -->P_P_COMP2 Company Code
         -->P_P_YEAR  Fiscal Year
    form get_doc_date_cust using    p_p_comp2
                                    p_p_year.
      loop at it_final_customer.
        concatenate it_final_customer-refdocnr '*' into
    it_final_customer-doc_date.
        modify it_final_customer index sy-tabix.
    endloop.
    clear it_final_customer.
    data: v_doc_date(11) type c,
          v_belnr like bkpf-belnr,
          v_bldat like bkpf-bldat.
          loop at it_final_customer.
           concatenate it_final_customer-refdocnr '%' into v_doc_date.
            select single belnr
                          bldat
                   into corresponding fields of it_final_customer
                   from bkpf
                   where bukrs eq p_p_comp2
                   and   gjahr eq p_p_year
                   and   awkey like v_doc_date.
                   modify it_final_customer.
           endloop.
        clear:it_final_customer.
    endform.                    " get_doc_date_cust
    *&      Form  move_records_cust
          Moving Customer Data to Final Internal Table
    form move_records_cust.
    *--Checking the existance of belnr in bsid
      select belnr
             zbd1t
             into table it_final_bsid
             from bsid
             for all entries in it_final_customer
             where belnr eq it_final_customer-belnr
             and   bukrs eq c_bukrs.
    clear it_final_bsid.
      loop at it_final_customer.
        read table it_final_bsid with key belnr = it_final_customer-belnr.
        if sy-subrc eq 0.
          it_final_customer-zbd1t    = it_final_bsid-zbd1t.
          it_final_customer-due_date = it_final_customer-bldat +
    it_final_bsid-zbd1t.
          it_final_customer-found    = 'X'.
          modify it_final_customer.
        endif.
      endloop.
    endform.                    " move_records_cust
    *&      Form  generate_data_cust
          Generating the Customer Output
    form generate_data_cust.
      delete it_final_customer[] where found ne 'X'.
      sort it_final_customer by belnr.
      loop at it_final_customer.
        if it_final_customer-due_date > p_rundt2.
         move-corresponding it_final_customer to it_final_customer_temp.
         move it_final_customer-hsl to it_final_customer_temp-not_due.
        elseif it_final_customer-due_date < p_rundt2.
         it_final_customer-due_days = p_rundt2 - it_final_customer-DUE_DATE.
        endif.
    *--filling 0-30 bucket.
    if it_final_customer-due_days ge 0 AND it_final_customer-due_days le 30
          move-corresponding it_final_customer to it_final_customer_temp.
          move it_final_customer-hsl to it_final_customer_temp-buck_0_30.
    *--filling 31-60 bucket.
    elseif it_final_customer-due_days ge 31 AND it_final_customer-due_days
    le 60
          move-corresponding it_final_customer to it_final_customer_temp.
          move it_final_customer-hsl to it_final_customer_temp-buck_31_60.
    *--filling 61-90 bucket.
    elseif it_final_customer-due_days ge 61 AND it_final_customer-due_days
    le 90
          move-corresponding it_final_customer to it_final_customer_temp.
          move it_final_customer-hsl to it_final_customer_temp-buck_61_90.
    *--filling 91-180 bucket.
        elseif it_final_customer-due_days ge 91 AND
    it_final_customer-due_days
    le 180.
          move-corresponding it_final_customer to it_final_customer_temp.
          move it_final_customer-hsl to it_final_customer_temp-buck_91_180.
    *--filling 180 bucket.
        elseif it_final_customer-due_days gt 180.
          move-corresponding it_final_customer to it_final_customer_temp.
          move it_final_customer-hsl to it_final_customer_temp-buck_180.
        endif.
         append it_final_customer_temp.
         clear it_final_customer_temp.
      endloop.
    endform.                    " generate_data_cust
    *&      Form  generate_field_catalog_vendor
          Generating the Field Catalog for Vendor
    form generate_field_catalog_vendor.
      call function 'REUSE_ALV_FIELDCATALOG_MERGE'
       EXPORTING
          I_PROGRAM_NAME               = v_repid
          I_INTERNAL_TABNAME           = 'IT_FINAL_VENDOR_TEMP'
        I_STRUCTURE_NAME             =
        I_CLIENT_NEVER_DISPLAY       = 'X'
          I_INCLNAME                   = v_repid
        I_BYPASSING_BUFFER           =
        I_BUFFER_ACTIVE              =
        changing
          ct_fieldcat                  = i_fldcat_head
       EXCEPTIONS
         INCONSISTENT_INTERFACE       = 1
         PROGRAM_ERROR                = 2
         OTHERS                       = 3
      if sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      endif.
      if not i_fldcat_head[] is initial.
        loop at i_fldcat_head into wa_fldcat_head.
        case wa_fldcat_head-fieldname.
         when 'RZZLIFNR'.
            wa_fldcat_head-col_pos = '1'.
            wa_fldcat_head-ref_tabname = ' '.
            wa_fldcat_head-seltext_m  = 'Vendor No'(001).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '12'.
         when 'NAME1'.
            wa_fldcat_head-col_pos = '2'.
            wa_fldcat_head-seltext_m  = 'Vendor Name'(007).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '35'.
         when 'BELNR'.
            wa_fldcat_head-col_pos = '3'.
            wa_fldcat_head-seltext_m  = 'Invoice No'(008).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '12'.
            wa_fldcat_head-KEY       = ' '.
         when 'BLDAT'.
            wa_fldcat_head-col_pos = '4'.
            wa_fldcat_head-seltext_m  = 'Document Date'(009).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '13'.
            wa_fldcat_head-ref_tabname = ' '.
         when 'RZZ_EBELN'.
            wa_fldcat_head-col_pos = '5'.
            wa_fldcat_head-seltext_m  = 'PO.Ref.No'(010).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '13'.
            wa_fldcat_head-ref_tabname = ' '.
         when 'HSL'.
            wa_fldcat_head-col_pos = '6'.
            wa_fldcat_head-seltext_m  = 'Invoice Amount'(011).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'DUE_DATE'.
            wa_fldcat_head-col_pos = '7'.
            wa_fldcat_head-seltext_m  = 'Due Date'(012).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '12'.
            wa_fldcat_head-ref_tabname = ' '.
         when 'DUE_DAYS'.
            wa_fldcat_head-col_pos = '8'.
            wa_fldcat_head-seltext_m  = 'Due Days'(013).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '9'.
         when 'NOT_DUE'.
            wa_fldcat_head-col_pos = '9'.
            wa_fldcat_head-seltext_m  = 'Not Due'(014).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_0_30'.
            wa_fldcat_head-col_pos = '10'.
            wa_fldcat_head-seltext_m  = '0 To 30'(015).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_31_60'.
            wa_fldcat_head-col_pos = '11'.
            wa_fldcat_head-seltext_m  = '31 To 60'(016).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_61_90'.
            wa_fldcat_head-col_pos = '12'.
            wa_fldcat_head-seltext_m  = '61 To 90'(017).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_91_180'.
            wa_fldcat_head-col_pos = '13'.
            wa_fldcat_head-seltext_m  = '91 To 180'(018).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_180'.
            wa_fldcat_head-col_pos = '14'.
            wa_fldcat_head-seltext_m  = 'Beyond 180'(019).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
        when 'DOCNR'.
            wa_fldcat_head-no_out = 'X'.
        when 'REFDOCNR'.
            wa_fldcat_head-no_out = 'X'.
        when 'DOC_DATE'.
            wa_fldcat_head-no_out = 'X'.
        when 'FOUND'.
            wa_fldcat_head-no_out = 'X'.
         endcase.
         modify i_fldcat_head from wa_fldcat_head index sy-tabix.
        endloop.
      endif.
    endform.                    " generate_field_catalog_vendor
    *&      Form  get_events_vendor
          Getting ALV Events
    form get_events_vendor.
        call function 'REUSE_ALV_EVENTS_GET'
      EXPORTING
        I_LIST_TYPE           = 0
       importing
         et_events             = i_events
      exceptions
        list_type_wrong       = 1
        others                = 2
      if sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      endif.
      if not i_events[] is initial.
       read table i_events into wa_event with key name = 'TOP_OF_PAGE'(024)
       wa_event-form = 'GENERATE_USERCOMMAND'.
       modify i_events from wa_event index sy-tabix.
       read table i_events into wa_event with key name = 'END_OF_LIST'(025)
       wa_event-form = 'GENERATE_USERCOMMAND_FOOTER'.
       modify i_events from wa_event index sy-tabix.
      endif.
    endform.                    " get_events_vendor
    *&      Form  GENERATE_USERCOMMAND
          Displaying Header-Text and Logo on Grid
    form generate_usercommand .
      clear i_comment[].
      wa_comment-typ = 'H'.
      wa_comment-info = 'Vendor Ageing Report'(026).
      append wa_comment to i_comment.
      call function 'REUSE_ALV_COMMENTARY_WRITE'
        exporting
          it_list_commentary = i_comment
          i_logo             = 'ENJOYSAP_LOGO'
        I_END_OF_LIST_GRID       = 'X'
    endform.                    " GENERATE_USERCOMMAND
    *&      Form  GENERATE_USERCOMMAND_FOOTER
          Displaying Footer-Text on Grid
    form generate_usercommand_footer.
      clear i_comment[].
      clear wa_comment.
      wa_comment-typ = 'S'.
      wa_comment-key = 'GE-Betz'(027).
      append wa_comment to i_comment.
      call function 'REUSE_ALV_COMMENTARY_WRITE'
        exporting
          it_list_commentary       = i_comment
        I_LOGO                  = ''
          i_end_of_list_grid       = 'X'.
    endform.                    " GENERATE_USERCOMMAND_FOOTER
    *&      Form  generate_layout_vendor
          Generating the ALV Layout
    form generate_layout_vendor.
      WA_LAYOUT-COLWIDTH_OPTIMIZE = 'X'.     "OPTIMIZING FIELD WIDTH
      wa_layout-zebra = 'X'.                  "PUTTING ZEBRA COLORS
      wa_layout-confirmation_prompt = 'X'.    "DISPLAYS CONFIRMATION DIALOG
      wa_layout-totals_text = 'Totals'(028).       "DISPLAYS TOTALS TEXT
      wa_layout-subtotals_text = 'Sub Totals'(029)."DISPLAYS SUBTOTALS TEXT
    endform.                    " generate_layout_vendor
    *&      Form  generate_sort_vendor
          Sorting the Internal Table by Vendor
    form generate_sort_vendor.
      it_sort-fieldname = 'RZZLIFNR'.
      it_sort-tabname = 'IT_FINAL_VENDOR_TEMP'.
      it_sort-up = 'X'.
      it_sort-subtot = 'X'.
      append it_sort.
    endform.                    " generate_sort_vendor
    *&      Form  generate_group_vendor
          Grouping the Data
    form generate_group_vendor.
      clear i_group.
      wa_group-sp_group = 'A'.
      wa_group-text  = 'RZZLIFNR'.
      append wa_group to i_group.
    endform.                    " generate_group_vendor
    *&      Form  GENERATE_FIELD_CATALOG_CUST
          Generating Field Catalog for Customer
    form GENERATE_FIELD_CATALOG_CUST.
      call function 'REUSE_ALV_FIELDCATALOG_MERGE'
       EXPORTING
          I_PROGRAM_NAME               = v_repid
          I_INTERNAL_TABNAME           = 'IT_FINAL_CUSTOMER_TEMP'
        I_STRUCTURE_NAME             =
        I_CLIENT_NEVER_DISPLAY       = 'X'
          I_INCLNAME                   = v_repid
        I_BYPASSING_BUFFER           =
        I_BUFFER_ACTIVE              =
        changing
          ct_fieldcat                  = i_fldcat_head
       EXCEPTIONS
         INCONSISTENT_INTERFACE       = 1
         PROGRAM_ERROR                = 2
         OTHERS                       = 3
      if sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      endif.
      if not i_fldcat_head[] is initial.
        loop at i_fldcat_head into wa_fldcat_head.
        case wa_fldcat_head-fieldname.
         when 'RZZKUNNR'.
            wa_fldcat_head-col_pos = '1'.
            wa_fldcat_head-ref_tabname = ' '.
            wa_fldcat_head-seltext_m  = 'Customer No'(020).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '12'.
         when 'NAME1'.
            wa_fldcat_head-col_pos = '2'.
            wa_fldcat_head-seltext_m  = 'Customer Name'(021).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '35'.
         when 'BELNR'.
            wa_fldcat_head-col_pos = '3'.
            wa_fldcat_head-seltext_m  = 'Invoice No'(008).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '12'.
            wa_fldcat_head-KEY       = ' '.
         when 'BLDAT'.
            wa_fldcat_head-col_pos = '4'.
            wa_fldcat_head-seltext_m  = 'Document Date'(009).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '13'.
            wa_fldcat_head-ref_tabname = ' '.
         when 'RZZ_EBELN'.
            wa_fldcat_head-col_pos = '5'.
            wa_fldcat_head-seltext_m  = 'PO.Ref.No'(010).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '13'.
            wa_fldcat_head-ref_tabname = ' '.
         when 'HSL'.
            wa_fldcat_head-col_pos = '6'.
            wa_fldcat_head-seltext_m  = 'Invoice Amount'(011).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'DUE_DATE'.
            wa_fldcat_head-col_pos = '7'.
            wa_fldcat_head-seltext_m  = 'Due Date'(012).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '12'.
            wa_fldcat_head-ref_tabname = ' '.
         when 'DUE_DAYS'.
            wa_fldcat_head-col_pos = '8'.
            wa_fldcat_head-seltext_m  = 'Due Days'(013).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '9'.
         when 'NOT_DUE'.
            wa_fldcat_head-col_pos = '9'.
            wa_fldcat_head-seltext_m  = 'Not Due'(014).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_0_30'.
            wa_fldcat_head-col_pos = '10'.
            wa_fldcat_head-seltext_m  = '0 To 30'(015).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_31_60'.
            wa_fldcat_head-col_pos = '11'.
            wa_fldcat_head-seltext_m  = '31 To 60'(016).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_61_90'.
            wa_fldcat_head-col_pos = '12'.
            wa_fldcat_head-seltext_m  = '61 To 90'(017).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_91_180'.
            wa_fldcat_head-col_pos = '13'.
            wa_fldcat_head-seltext_m  = '91 To 180'(018).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
         when 'BUCK_180'.
            wa_fldcat_head-col_pos = '14'.
            wa_fldcat_head-seltext_m  = 'Beyond 180'(019).
            wa_fldcat_head-ddictxt = 'M'.
            wa_fldcat_head-outputlen = '16'.
            wa_fldcat_head-do_sum = 'X'.
        when 'DOCNR'.
            wa_fldcat_head-no_out = 'X'.
        when 'REFDOCNR'.
            wa_fldcat_head-no_out = 'X'.
        when 'DOC_DATE'.
            wa_fldcat_head-no_out = 'X'.
        when 'FOUND'.
            wa_fldcat_head-no_out = 'X'.
         endcase.
         modify i_fldcat_head from wa_fldcat_head index sy-tabix.
        endloop.
      endif.
    endform.                    " GENERATE_FIELD_CATALOG_CUST
    *&      Form  get_events_customer
          Getting ALV Events
    form get_events_customer.
        call function 'REUSE_ALV_EVENTS_GET'
      EXPORTING
        I_LIST_TYPE           = 0
       importing
         et_events             = i_events
      exceptions
        list_type_wrong       = 1
        others                = 2
      if sy-subrc <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
      endif.
      if not i_events[] is initial.
       read table i_events into wa_event with key name = 'TOP_OF_PAGE'(024)
       wa_event-form = 'GENERATE_USERCOMMAND_CUST'.
       modify i_events from wa_event index sy-tabix.
       read table i_events into wa_event with key na

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