J_7LC_MFIELD_HELP SAP Function module

J_7LC_MFIELD_HELP is a standard SAP function module available within R/3 SAP systems depending on your version and release level. Below is the pattern details for this FM showing its interface including any import and export parameters, exceptions etc as well as any documentation contributions (Comments) specific to the object.

See here to view full function module documentation and code listing, simply by entering the name J_7LC_MFIELD_HELP into the relevant SAP transaction such as SE37 or SE80.

Associated Function Group: J7LC
Released Date: Not Released
Processing type: Normal fucntion module

Pattern for FM J_7LC_MFIELD_HELP - J 7LC MFIELD HELP

CALL FUNCTION 'J_7LC_MFIELD_HELP' "
  EXPORTING
    i_headline =                " c
    i_modus =                   " c             Display/Change Mode
*   i_max_fieldlength = 0       " i
    i_table =                   " dd03l-tabname
    i_tabfeld_dynpro =          " help_info-dynprofld
    i_prog =                    " sy-repid
    i_dynnr =                   " sy-dynnr      ABAP Program, Current Screen Number
  IMPORTING
    o_fieldname =               " dd03l-fieldname  Selected field
* TABLES
*   i_datatype_tab =            " j7lr1_datatype
  EXCEPTIONS
    NO_SELECTION = 1            "               No Selection
    .  "  J_7LC_MFIELD_HELP

ABAP code example for Function Module J_7LC_MFIELD_HELP

The ABAP code below is a full code listing to execute function module J_7LC_MFIELD_HELP including all data declarations. The code uses the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the original method of declaring data variables up front. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8).

DATA:
ld_o_fieldname  
 
 TYPE DD03L-FIELDNAME
,
it_i_datatype_tab  
 
 TYPE STANDARD TABLE OF J7LR1_DATATYPE,"TABLES PARAM
wa_i_datatype_tab
 
 LIKE LINE OF it_i_datatype_tab
.


DATA(ld_i_headline) = 'Check type of data required'.

DATA(ld_i_modus) = 'Check type of data required'.

DATA(ld_i_max_fieldlength) = 'Check type of data required'.
 

SELECT single TABNAME 
  FROM DD03L 
  INTO @DATA(ld_i_table).



DATA(ld_i_tabfeld_dynpro) = some text here

DATA(ld_i_prog) = 'some text here'.

DATA(ld_i_dynnr) = 'some text here'.
 

"populate fields of struture and append to itab
append wa_i_datatype_tab to it_i_datatype_tab.
.

CALL FUNCTION 'J_7LC_MFIELD_HELP'
  EXPORTING
    i_headline =                 ld_i_headline
    i_modus =                    ld_i_modus
*   i_max_fieldlength =          ld_i_max_fieldlength
    i_table =                    ld_i_table
    i_tabfeld_dynpro =           ld_i_tabfeld_dynpro
    i_prog =                     ld_i_prog
    i_dynnr =                    ld_i_dynnr
  IMPORTING
    o_fieldname =                ld_o_fieldname
* TABLES
*   i_datatype_tab =             it_i_datatype_tab
  EXCEPTIONS
    NO_SELECTION =               1
    .  "  J_7LC_MFIELD_HELP

IF SY-SUBRC EQ 0.
  "All OK
ELSEIF SY-SUBRC EQ 1. "Exception
  "Add code for exception here
ENDIF.

ABAP code to compare 7.40 inline data declaration with original syntax

The below ABAP code uses the older none in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. It may also be useful if you are using an older version of SAP as some of the newer syntax above, such as the @DATA is not available until 4.70 EHP 8.

DATA:

ld_o_fieldname
 
 TYPE DD03L-FIELDNAME ,
ld_i_headline
 
 TYPE C ,
it_i_datatype_tab
 
 TYPE STANDARD TABLE OF J7LR1_DATATYPE ,
wa_i_datatype_tab
 
 LIKE LINE OF it_i_datatype_tab,
ld_i_modus
 
 TYPE C ,
ld_i_max_fieldlength
 
 TYPE I ,
ld_i_table
 
 TYPE DD03L-TABNAME ,
ld_i_tabfeld_dynpro
 
 TYPE HELP_INFO-DYNPROFLD ,
ld_i_prog
 
 TYPE SY-REPID ,
ld_i_dynnr
 
 TYPE SY-DYNNR .


ld_i_headline = 'some text here'. 

"populate fields of struture and append to itab
append wa_i_datatype_tab to it_i_datatype_tab.
ld_i_modus = 'some text here'.
ld_i_max_fieldlength = 'some text here'.

SELECT single TABNAME 
  FROM DD03L 
  INTO ld_i_table.


ld_i_tabfeld_dynpro = some text here
ld_i_prog = 'some text here'.
ld_i_dynnr = 'some text here'.