Posted: Sun Nov 25, 2007 11:07 pm Post subject: Using a program variable without passing it in parameters
Using a variable from a calling program without passing it in parameters.
Did you ever try to use a variable from another program without passing this variable as a parameter. This is very useful when you CANNOT add the field as a standard parameter. For example, when you want to use a variable in a BADI which is not already passed as a parameter. Another good example is when you create a correction in a function and you want to keep the installation of the OSS note automatic (if you add parameters in a note, the user will have to install the note manually).
Here is a short example on how to do this :
Code:
REPORT zdany_test_var_from_fm.
TABLES: spfli.
DATA dbcnt TYPE sy-dbcnt.
DATA: itab TYPE spfli_tab.
SELECT * FROM spfli INTO TABLE itab UP TO 2 ROWS.
dbcnt = sy-dbcnt.
CALL FUNCTION 'ZFUNCTION'.
FUNCTION zfunction.
* We want to use the DBCNT from the program ZDANY_TEST_VAR_FROM_FM
DATA: field(50).
FIELD-SYMBOLS: <dbcnt>.
field = '(ZDANY_TEST_VAR_FROM_FM)dbcnt'.
ASSIGN (field) TO <dbcnt>.
WRITE <dbcnt>.
* We want to use the internal table from the program ZDANY_TEST_VAR_FROM_FM
DATA: itab TYPE spfli.
FIELD-SYMBOLS: <itab> TYPE spfli_tab.
field = '(ZDANY_TEST_VAR_FROM_FM)ITAB[]'.
ASSIGN (field) TO <itab>.
LOOP AT <itab> INTO itab.
WRITE: / itab-carrid, itab-connid.
ENDLOOP.
ENDFUNCTION.
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