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ABAP Keyword Documentation → ABAP − Reference → User Dialogs → Screens → Statements in the Screen Flow Logic → FIELD → Field and Input Help → Field and Input Helps - Examples →Screens, Input Help in Dialog Modules
The example shows how to implement input help in dialog modules.
Source Code
REPORT demo_dynpro_f4_help_module .
TYPES: BEGIN OF values,
carrid TYPE spfli-carrid,
connid TYPE spfli-connid,
END OF values.
DATA: carrier(3) TYPE c,
connection(4) TYPE c.
DATA: progname TYPE sy-repid,
dynnum TYPE sy-dynnr,
dynpro_values TYPE TABLE OF dynpread,
field_value LIKE LINE OF dynpro_values,
values_tab TYPE TABLE OF values.
CALL SCREEN 100.
MODULE init OUTPUT.
progname = sy-repid.
dynnum = sy-dynnr.
CLEAR: field_value, dynpro_values.
field_value-fieldname = 'CARRIER'.
APPEND field_value TO dynpro_values.
ENDMODULE.
MODULE cancel INPUT.
LEAVE PROGRAM.
ENDMODULE.
MODULE value_carrier INPUT.
CALL FUNCTION 'F4IF_FIELD_VALUE_REQUEST'
EXPORTING
tabname = 'DEMOF4HELP'
fieldname = 'CARRIER1'
dynpprog = progname
dynpnr = dynnum
dynprofield = 'CARRIER'.
ENDMODULE.
MODULE value_connection INPUT.
CALL FUNCTION 'DYNP_VALUES_READ'
EXPORTING
dyname = progname
dynumb = dynnum
translate_to_upper = 'X'
TABLES
dynpfields = dynpro_values.
field_value = dynpro_values[ 1 ].
SELECT carrid connid
FROM spfli
INTO CORRESPONDING FIELDS OF TABLE values_tab
WHERE carrid = field_value-fieldvalue.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
retfield = 'CONNID'
dynpprog = progname
dynpnr = dynnum
dynprofield = 'CONNECTION'
value_org = 'S'
TABLES
value_tab = values_tab.
ENDMODULE.
Description
The static next screen number of screen 100 is 100. The input fields have been taken from the program fields carrier and connection. The function code of the pushbutton is CANCEL with the function type E. The screen flow logic is as follows:
When choosing the F4 help for the individual fields, the user receives the following types of input help: