How to start with ALV reports

Question

hi xprts,
pz tell me how to use ALV with a simple sample program ..
thanks

Answer 1

Hi,
For More alv report examples check these Tcodes LIBS, BIBS Here u can find more number of examples on alv reports of different kinds
check this sample code for intercative alv report
codeTYPE-POOLS: SLIS.
*type declaration for values from ekko
TYPES: BEGIN OF I_EKKO,
EBELN LIKE EKKO-EBELN,
AEDAT LIKE EKKO-AEDAT,
BUKRS LIKE EKKO-BUKRS,
BSART LIKE EKKO-BSART,
LIFNR LIKE EKKO-LIFNR,
END OF I_EKKO.
DATA: IT_EKKO TYPE STANDARD TABLE OF I_EKKO INITIAL SIZE 0,
WA_EKKO TYPE I_EKKO.
*type declaration for values from ekpo
TYPES: BEGIN OF I_EKPO,
EBELN LIKE EKPO-EBELN,
EBELP LIKE EKPO-EBELP,
MATNR LIKE EKPO-MATNR,
MENGE LIKE EKPO-MENGE,
MEINS LIKE EKPO-MEINS,
NETPR LIKE EKPO-NETPR,
END OF I_EKPO.
DATA: IT_EKPO TYPE STANDARD TABLE OF I_EKPO INITIAL SIZE 0,
WA_EKPO TYPE I_EKPO .
*variable for Report ID
DATA: V_REPID LIKE SY-REPID .
*declaration for fieldcatalog
DATA: I_FIELDCAT TYPE SLIS_T_FIELDCAT_ALV,
WA_FIELDCAT TYPE SLIS_FIELDCAT_ALV.
DATA: IT_LISTHEADER TYPE SLIS_T_LISTHEADER.
declaration for events table where user comand or set PF status will
be defined
DATA: V_EVENTS TYPE SLIS_T_EVENT,
WA_EVENT TYPE SLIS_ALV_EVENT.
declartion for layout
DATA: ALV_LAYOUT TYPE SLIS_LAYOUT_ALV.
declaration for variant(type of display we want)
DATA: I_VARIANT TYPE DISVARIANT,
I_VARIANT1 TYPE DISVARIANT,
I_SAVE(1) TYPE C.
*PARAMETERS : p_var TYPE disvariant-variant.
*Title displayed when the alv list is displayed
DATA: I_TITLE_EKKO TYPE LVC_TITLE VALUE 'FIRST LIST DISPLAYED'.
DATA: I_TITLE_EKPO TYPE LVC_TITLE VALUE 'SECONDRY LIST DISPLAYED'.
INITIALIZATION.
V_REPID = SY-REPID.
PERFORM BUILD_FIELDCATLOG.
PERFORM EVENT_CALL.
PERFORM POPULATE_EVENT.
START-OF-SELECTION.
PERFORM DATA_RETRIEVAL.
PERFORM BUILD_LISTHEADER USING IT_LISTHEADER.
PERFORM DISPLAY_ALV_REPORT.
*& Form BUILD_FIELDCATLOG
Fieldcatalog has all the field details from ekko
FORM BUILD_FIELDCATLOG.
WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'EBELN'.
WA_FIELDCAT-SELTEXT_M = 'PO NO.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'AEDAT'.
WA_FIELDCAT-SELTEXT_M = 'DATE.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'BUKRS'.
WA_FIELDCAT-SELTEXT_M = 'COMPANY CODE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'BUKRS'.
WA_FIELDCAT-SELTEXT_M = 'DOCMENT TYPE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'IT_EKKO'.
WA_FIELDCAT-FIELDNAME = 'LIFNR'.
WA_FIELDCAT-NO_OUT = 'X'.
WA_FIELDCAT-SELTEXT_M = 'VENDOR CODE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
ENDFORM. "BUILD_FIELDCATLOG
*& Form EVENT_CALL
we get all events - TOP OF PAGE or USER COMMAND in table v_events
FORM EVENT_CALL.
CALL FUNCTION 'REUSE_ALV_EVENTS_GET'
EXPORTING
I_LIST_TYPE = 0
IMPORTING
ET_EVENTS = V_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.
ENDFORM. "EVENT_CALL
*& Form POPULATE_EVENT
Events populated for TOP OF PAGE & USER COMAND
FORM POPULATE_EVENT.
READ TABLE V_EVENTS INTO WA_EVENT WITH KEY NAME = 'TOP_OF_PAGE'.
IF SY-SUBRC EQ 0.
WA_EVENT-FORM = 'TOP_OF_PAGE'.
MODIFY V_EVENTS FROM WA_EVENT TRANSPORTING FORM WHERE NAME =
WA_EVENT-FORM.
ENDIF.
READ TABLE V_EVENTS INTO WA_EVENT WITH KEY NAME = 'USER_COMMAND'.
IF SY-SUBRC EQ 0.
WA_EVENT-FORM = 'USER_COMMAND'.
MODIFY V_EVENTS FROM WA_EVENT TRANSPORTING FORM WHERE NAME =
WA_EVENT-NAME.
ENDIF.
ENDFORM. "POPULATE_EVENT
*& Form data_retrieval
retreiving values from the database table ekko
FORM DATA_RETRIEVAL.
SELECT EBELN AEDAT BUKRS BSART LIFNR FROM EKKO INTO TABLE IT_EKKO.
ENDFORM. "data_retrieval
*& Form bUild_listheader
text
-->I_LISTHEADEtext
FORM BUILD_LISTHEADER USING I_LISTHEADER TYPE SLIS_T_LISTHEADER.
DATA HLINE TYPE SLIS_LISTHEADER.
HLINE-INFO = 'this is my first alv pgm'.
HLINE-TYP = 'H'.
ENDFORM. "build_listheader
*& Form display_alv_report
text
FORM DISPLAY_ALV_REPORT.
V_REPID = SY-REPID.
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
EXPORTING
I_CALLBACK_PROGRAM = V_REPID
I_CALLBACK_PF_STATUS_SET = ' '
I_CALLBACK_USER_COMMAND = 'USER_COMMAND'
I_CALLBACK_TOP_OF_PAGE = 'TOP_OF_PAGE'
I_GRID_TITLE = I_TITLE_EKKO
I_GRID_SETTINGS =
IS_LAYOUT = ALV_LAYOUT
IT_FIELDCAT = I_FIELDCAT[]
IT_EXCLUDING =
IT_SPECIAL_GROUPS =
IT_SORT =
IT_FILTER =
IS_SEL_HIDE =
i_default = 'ZLAY1'
I_SAVE = 'A'
is_variant = i_variant
IT_EVENTS = V_EVENTS
TABLES
T_OUTTAB = IT_EKKO
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. "display_alv_report
*& Form TOP_OF_PAGE
text
FORM TOP_OF_PAGE.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
IT_LIST_COMMENTARY = IT_LISTHEADER
i_logo =
I_END_OF_LIST_GRID =
ENDFORM. "TOP_OF_PAGE
*& Form USER_COMMAND
text
-->R_UCOMM text
-->, text
-->RS_SLEFIELDtext
FORM USER_COMMAND USING R_UCOMM LIKE SY-UCOMM
RS_SELFIELD TYPE SLIS_SELFIELD.
CASE R_UCOMM.
WHEN '&IC1'.
READ TABLE IT_EKKO INTO WA_EKKO INDEX RS_SELFIELD-TABINDEX.
PERFORM BUILD_FIELDCATLOG_EKPO.
PERFORM EVENT_CALL_EKPO.
PERFORM POPULATE_EVENT_EKPO.
PERFORM DATA_RETRIEVAL_EKPO.
PERFORM BUILD_LISTHEADER_EKPO USING IT_LISTHEADER.
PERFORM DISPLAY_ALV_EKPO.
ENDCASE.
ENDFORM. "user_command
*& Form BUILD_FIELDCATLOG_EKPO
text
FORM BUILD_FIELDCATLOG_EKPO.
WA_FIELDCAT-TABNAME = 'IT_EKPO'.
WA_FIELDCAT-FIELDNAME = 'EBELN'.
WA_FIELDCAT-SELTEXT_M = 'PO NO.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'IT_EKPO'.
WA_FIELDCAT-FIELDNAME = 'EBELP'.
WA_FIELDCAT-SELTEXT_M = 'LINE NO'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'MATNR'.
WA_FIELDCAT-SELTEXT_M = 'MATERIAL NO.'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'MENGE'.
WA_FIELDCAT-SELTEXT_M = 'QUANTITY'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'MEINS'.
WA_FIELDCAT-SELTEXT_M = 'UOM'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
WA_FIELDCAT-TABNAME = 'I_EKPO'.
WA_FIELDCAT-FIELDNAME = 'NETPR'.
WA_FIELDCAT-SELTEXT_M = 'PRICE'.
APPEND WA_FIELDCAT TO I_FIELDCAT.
CLEAR WA_FIELDCAT.
ENDFORM. "BUILD_FIELDCATLOG_EKPO
*& Form event_call_ekpo
we get all events - TOP OF PAGE or USER COMMAND in table v_events
FORM EVENT_CALL_EKPO.
CALL FUNCTION 'REUSE_ALV_EVENTS_GET'
EXPORTING
I_LIST_TYPE = 0
IMPORTING
ET_EVENTS = V_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.
ENDFORM. "event_call_ekpo
*& Form POPULATE_EVENT
Events populated for TOP OF PAGE & USER COMAND
FORM POPULATE_EVENT_EKPO.
READ TABLE V_EVENTS INTO WA_EVENT WITH KEY NAME = 'TOP_OF_PAGE'.
IF SY-SUBRC EQ 0.
WA_EVENT-FORM = 'TOP_OF_PAGE'.
MODIFY V_EVENTS FROM WA_EVENT TRANSPORTING FORM WHERE NAME =
WA_EVENT-FORM.
ENDIF.
ENDFORM. "POPULATE_EVENT
*& Form TOP_OF_PAGE
text
FORM F_TOP_OF_PAGE.
CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
EXPORTING
IT_LIST_COMMENTARY = IT_LISTHEADER
i_logo =
I_END_OF_LIST_GRID =
ENDFORM. "TOP_OF_PAGE
*& Form USER_COMMAND
text
-->R_UCOMM text
-->, text
-->RS_SLEFIELDtext
*retreiving values from the database table ekko
FORM DATA_RETRIEVAL_EKPO.
SELECT EBELN EBELP MATNR MENGE MEINS NETPR FROM EKPO INTO TABLE IT_EKPO.
ENDFORM.
FORM BUILD_LISTHEADER_EKPO USING I_LISTHEADER TYPE SLIS_T_LISTHEADER.
DATA: HLINE1 TYPE SLIS_LISTHEADER.
HLINE1-TYP = 'H'.
HLINE1-INFO = 'CHECKING PGM'.
ENDFORM.
FORM DISPLAY_ALV_EKPO.
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 = 'F_USER_COMMAND'
I_CALLBACK_TOP_OF_PAGE = '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_TITLE_EKPO
I_GRID_SETTINGS =
IS_LAYOUT =
IT_FIELDCAT = I_FIELDCAT[]
IT_EXCLUDING =
IT_SPECIAL_GROUPS =
IT_SORT =
IT_FILTER =
IS_SEL_HIDE =
I_DEFAULT =
I_SAVE = 'A'
IS_VARIANT =
IT_EVENTS = V_EVENTS
TABLES
T_OUTTAB = IT_EKPO
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.[/code]
cheers,
vasavi.
kindly reward if helpful.