Diff. between function module and objects .

[Former Member]

Hi Sapians ,

What my question is when we call a function module twice with in my program

It will work on only one instance of function group ?

can u tell me clearly ,What are the scenario so we need two instance of a same function group in my program ?

With Regards

Tarun

[Former Member]

hi

no prob on that .

i use same fm 2 time in 1 prog its working .

how to use the fm.

see my code

IF NOT i_salesdoc IS INITIAL.

*Download the sales document file

CALL FUNCTION 'WS_DOWNLOAD'

EXPORTING

filename = p_file1

filetype = 'DAT'

TABLES

data_tab = i_salesdoc

fieldnames = i_header

EXCEPTIONS

OTHERS = 1.

IF sy-subrc = 0.

IF NOT i_component IS INITIAL.

PERFORM create_headers_comm.

*Download the component file header

CALL FUNCTION 'WS_DOWNLOAD'

EXPORTING

filename = p_file2

filetype = 'DAT'

TABLES

data_tab = i_head

fieldnames = i_header

EXCEPTIONS

OTHERS = 1.

IF sy-subrc = 0.

*Download the component file data

CALL FUNCTION 'WS_DOWNLOAD'

EXPORTING

filename = p_file2

filetype = 'DAT'

mode = 'A'

TABLES

data_tab = i_component

EXCEPTIONS

OTHERS = 1.

IF sy-subrc = 0.

MESSAGE s001(00) WITH text-019.

ELSE.

MESSAGE e001(00) WITH text-027.

ENDIF.

ELSE.

MESSAGE e001(00) WITH text-027.

ENDIF.

ELSE.

MESSAGE e001(00) WITH text-029.

ENDIF.

ELSE.

MESSAGE e001(00) WITH text-027.

ENDIF.

ELSE.

MESSAGE e001(00) WITH text-028.

ENDIF.

it's will help u.

kk.

[Former Member]

Hi,

Function modules means it is unique.

Whenever u call the function module the parameter go to the function module

after processing it comes back with result.

if u call 100 times also it will go to the same function module.

u can check with debugging.

Assign points if useful.