Top of Page Sequential/Hierarchical ALV using Class

[Former Member]

Hi Experts.

I'd like to ask some codes on how to have the top-of-page function of the Sequential ALV using the CLASS cl_salv_hierseq_table.

Points would be rewarded.

Thanks!

Message was edited by:

Jay Cruz

Message was edited by:

Jay Cruz

[Former Member]

Hi Jay,

Plz check out this code.

REPORT BALVHT01 NO STANDARD PAGE HEADING.

• ALV

TYPE-POOLS: SLIS.

• DB-Table

TABLES: SCARR, SPFLI.

• Includes

INCLUDE .

*

CONSTANTS:

GC_FORMNAME_TOP_OF_PAGE TYPE SLIS_FORMNAME VALUE 'TOP_OF_PAGE'.

DATA: GT_FIELDCAT TYPE SLIS_T_FIELDCAT_ALV,

GS_LAYOUT TYPE SLIS_LAYOUT_ALV,

GS_KEYINFO TYPE SLIS_KEYINFO_ALV,

GT_SORT TYPE SLIS_T_SORTINFO_ALV,

GT_SP_GROUP TYPE SLIS_T_SP_GROUP_ALV,

GT_EVENTS TYPE SLIS_T_EVENT.

• Data to be displayed

DATA: BEGIN OF GT_SPFLI OCCURS 0.

INCLUDE STRUCTURE SPFLI.

DATA: ADD1,

BOX,

WERT TYPE P,

LIGHTS.

DATA: END OF GT_SPFLI.

DATA: BEGIN OF GT_SCARR OCCURS 0.

INCLUDE STRUCTURE SCARR.

DATA: BOX,

LIGHTS,

EXPAND.

DATA: END OF GT_SCARR.

*

DATA: G_REPID LIKE SY-REPID.

DATA: GT_LIST_TOP_OF_PAGE TYPE SLIS_T_LISTHEADER.

• Report Selections

SELECT-OPTIONS CARRID FOR SCARR-CARRID.

SELECTION-SCREEN SKIP 1.

• Parameters

PARAMETERS: P_MAXROW TYPE I DEFAULT 50.

SELECTION-SCREEN SKIP 1.

• Variante

SELECTION-SCREEN BEGIN OF BLOCK 0 WITH FRAME TITLE TEXT-064.

PARAMETERS: P_VARI LIKE DISVARIANT-VARIANT.

SELECTION-SCREEN END OF BLOCK 0.

• Layout

SELECTION-SCREEN BEGIN OF BLOCK A WITH FRAME TITLE TEXT-060.

PARAMETERS:

P_ZEBRA AS CHECKBOX DEFAULT ' ',

P_NOCOLH AS CHECKBOX DEFAULT ' ',

P_COLOPT AS CHECKBOX DEFAULT ' ',

P_KEYHOT AS CHECKBOX DEFAULT ' ',

P_NOINPT AS CHECKBOX DEFAULT ' '.

SELECTION-SCREEN END OF BLOCK A.

SELECTION-SCREEN BEGIN OF BLOCK B WITH FRAME TITLE TEXT-061.

PARAMETERS:

P_LIGHTS AS CHECKBOX DEFAULT ' ',

P_LIGHTC AS CHECKBOX DEFAULT ' '.

SELECTION-SCREEN END OF BLOCK B.

SELECTION-SCREEN BEGIN OF BLOCK C WITH FRAME TITLE TEXT-062.

PARAMETERS:

P_TOTONL AS CHECKBOX DEFAULT ' ',

P_TOTEXT(60),

P_STTEXT(60).

SELECTION-SCREEN END OF BLOCK C.

SELECTION-SCREEN BEGIN OF BLOCK D WITH FRAME TITLE TEXT-063.

PARAMETERS:

P_GPCE AS CHECKBOX DEFAULT ' ',

P_CHKBOX AS CHECKBOX DEFAULT ' ',

P_EXPAND AS CHECKBOX DEFAULT ' ',

P_DETPOP AS CHECKBOX DEFAULT ' '.

SELECTION-SCREEN END OF BLOCK D.

DATA: G_BOXNAM TYPE SLIS_FIELDNAME VALUE 'BOX',

G_EXPANDNAME TYPE SLIS_FIELDNAME VALUE 'EXPAND',

P_F2CODE LIKE SY-UCOMM VALUE '&ETA',

P_LIGNAM TYPE SLIS_FIELDNAME VALUE 'LIGHTS',

G_SAVE(1) TYPE C,

G_TABNAME_HEADER TYPE SLIS_TABNAME,

G_TABNAME_ITEM TYPE SLIS_TABNAME,

• g_default(1) type c,

G_EXIT(1) TYPE C,

GX_VARIANT LIKE DISVARIANT,

G_VARIANT LIKE DISVARIANT.

*----

---

*

INITIALIZATION.

G_REPID = SY-REPID.

G_TABNAME_HEADER = 'GT_SCARR'.

G_TABNAME_ITEM = 'GT_SPFLI'.

• define keyinfo

CLEAR GS_KEYINFO.

GS_KEYINFO-HEADER01 = 'CARRID'.

GS_KEYINFO-ITEM01 = 'CARRID'.

*

PERFORM E01_FIELDCAT_INIT USING GT_FIELDCAT[].

PERFORM E03_EVENTTAB_BUILD USING GT_EVENTS[].

PERFORM E04_COMMENT_BUILD USING GT_LIST_TOP_OF_PAGE[].

PERFORM E06_T_SORT_BUILD USING GT_SORT[].

PERFORM E07_SP_GROUP_BUILD USING GT_SP_GROUP[].

• Schalter Varianten benutzerspezifisch/allgemein speicherbar setzen

• Set Options: save variants userspecific or general

G_SAVE = 'A'.

PERFORM VARIANT_INIT.

• Get default variant

GX_VARIANT = G_VARIANT.

CALL FUNCTION 'REUSE_ALV_VARIANT_DEFAULT_GET'

EXPORTING

I_SAVE = G_SAVE

CHANGING

CS_VARIANT = GX_VARIANT

EXCEPTIONS

NOT_FOUND = 2.

IF SY-SUBRC = 0.

P_VARI = GX_VARIANT-VARIANT.

ENDIF.

• Process on value request

AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_VARI.

PERFORM F4_FOR_VARIANT.

• PAI

AT SELECTION-SCREEN.

PERFORM PAI_OF_SELECTION_SCREEN.

START-OF-SELECTION.

PERFORM SELECTION.

END-OF-SELECTION.

PERFORM E05_LAYOUT_BUILD USING GS_LAYOUT. "wg. Parameters

• Call ABAP/4 List Viewer

CALL FUNCTION 'REUSE_ALV_HIERSEQ_LIST_DISPLAY'

EXPORTING

I_CALLBACK_PROGRAM = G_REPID

• I_CALLBACK_PF_STATUS_SET = ' '

• I_CALLBACK_USER_COMMAND = ' '

IS_LAYOUT = GS_LAYOUT

IT_FIELDCAT = GT_FIELDCAT[]

• IT_EXCLUDING =

IT_SPECIAL_GROUPS = GT_SP_GROUP[]

IT_SORT = GT_SORT[]

• IT_FILTER =

• IS_SEL_HIDE =

• I_SCREEN_START_COLUMN = 0

• I_SCREEN_START_LINE = 0

• I_SCREEN_END_COLUMN = 0

• I_SCREEN_END_LINE = 0

• i_default = g_default

I_SAVE = G_SAVE

IS_VARIANT = G_VARIANT

IT_EVENTS = GT_EVENTS[]

• IT_EVENT_EXIT =

I_TABNAME_HEADER = G_TABNAME_HEADER

I_TABNAME_ITEM = G_TABNAME_ITEM

IS_KEYINFO = GS_KEYINFO

• IS_PRINT =

• IMPORTING

• E_EXIT_CAUSED_BY_CALLER =

TABLES

T_OUTTAB_HEADER = GT_SCARR

T_OUTTAB_ITEM = GT_SPFLI.

*----

---

*

• FORM E01_FIELDCAT_INIT *

*----

---

*

• ........ *

*----

---

*

• --> E01_LT_FIELDCAT *

*----

---

*

FORM E01_FIELDCAT_INIT USING E01_LT_FIELDCAT TYPE SLIS_T_FIELDCAT_ALV.

DATA: LS_FIELDCAT TYPE SLIS_FIELDCAT_ALV.

*

CLEAR LS_FIELDCAT.

LS_FIELDCAT-FIELDNAME = 'ADD1'.

LS_FIELDCAT-TABNAME = G_TABNAME_ITEM.

LS_FIELDCAT-REPTEXT_DDIC = '?'.

LS_FIELDCAT-OUTPUTLEN = 1.

LS_FIELDCAT-NO_OUT = 'X'.

LS_FIELDCAT-INPUT = 'X'.

LS_FIELDCAT-SP_GROUP = 'A'.

APPEND LS_FIELDCAT TO E01_LT_FIELDCAT.

*

CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'

EXPORTING

• I_PROGRAM_NAME =

I_INTERNAL_TABNAME = G_TABNAME_HEADER

I_STRUCTURE_NAME = 'SCARR'

• I_CLIENT_NEVER_DISPLAY = 'X'

CHANGING

CT_FIELDCAT = E01_LT_FIELDCAT[].

CALL FUNCTION 'REUSE_ALV_FIELDCATALOG_MERGE'

EXPORTING

• I_PROGRAM_NAME =

I_INTERNAL_TABNAME = G_TABNAME_ITEM

I_STRUCTURE_NAME = 'SPFLI'

• I_CLIENT_NEVER_DISPLAY = 'X'

CHANGING

CT_FIELDCAT = E01_LT_FIELDCAT[].

• geht am Anfang nicht !!!!

CLEAR LS_FIELDCAT.

LS_FIELDCAT-FIELDNAME = 'WERT'.

LS_FIELDCAT-TABNAME = G_TABNAME_ITEM.

LS_FIELDCAT-REPTEXT_DDIC = 'Wert'(070).

LS_FIELDCAT-OUTPUTLEN = 4.

LS_FIELDCAT-INTTYPE ='P'.

APPEND LS_FIELDCAT TO E01_LT_FIELDCAT.

ENDFORM.

*----

---

*

• FORM E02_DATA_ADD *

*----

---

*

• ........ *

*----

---

*

• --> E02_LT_SFLIGHT *

*----

---

*

FORM E02_DATA_ADD TABLES E02_LT_SPFLI STRUCTURE GT_SPFLI.

LOOP AT E02_LT_SPFLI.

IF SY-TABIX > 10.

E02_LT_SPFLI-ADD1 = 'A'.

E02_LT_SPFLI-BOX = 'X'.

E02_LT_SPFLI-LIGHTS = '3'.

ELSE.

IF SY-TABIX = 1.

E02_LT_SPFLI-LIGHTS = '2'.

ELSE.

E02_LT_SPFLI-LIGHTS = '1'.

ENDIF.

ENDIF.

E02_LT_SPFLI-WERT = SY-TABIX MOD 5.

MODIFY E02_LT_SPFLI.

ENDLOOP.

ENDFORM.

*----

---

*

• FORM E03_EVENTTAB_BUILD *

*----

---

*

• ........ *

*----

---

*

• --> E03_LT_EVENTS *

*----

---

*

FORM E03_EVENTTAB_BUILD USING E03_LT_EVENTS TYPE SLIS_T_EVENT.

DATA: LS_EVENT TYPE SLIS_ALV_EVENT.

*

CALL FUNCTION 'REUSE_ALV_EVENTS_GET'

EXPORTING

I_LIST_TYPE = 1

IMPORTING

ET_EVENTS = E03_LT_EVENTS.

READ TABLE E03_LT_EVENTS WITH KEY NAME = SLIS_EV_TOP_OF_PAGE

INTO LS_EVENT.

IF SY-SUBRC = 0.

MOVE GC_FORMNAME_TOP_OF_PAGE TO LS_EVENT-FORM.

APPEND LS_EVENT TO E03_LT_EVENTS.

ENDIF.

ENDFORM.

*----

---

*

• FORM E04_COMMENT_BUILD *

*----

---

*

• ........ *

*----

---

*

• --> E04_LT_TOP_OF_PAGE *

*----

---

*

FORM E04_COMMENT_BUILD USING E04_LT_TOP_OF_PAGE TYPE SLIS_T_LISTHEADER.

DATA: LS_LINE TYPE SLIS_LISTHEADER.

*

• Listenüberschrift: Typ H

CLEAR LS_LINE.

LS_LINE-TYP = 'H'.

• LS_LINE-KEY: not used for this type

LS_LINE-INFO = TEXT-001.

APPEND LS_LINE TO E04_LT_TOP_OF_PAGE.

• Kopfinfo: Typ S

CLEAR LS_LINE.

LS_LINE-TYP = 'S'.

LS_LINE-KEY = TEXT-050.

LS_LINE-INFO = TEXT-010.

APPEND LS_LINE TO E04_LT_TOP_OF_PAGE.

LS_LINE-KEY = TEXT-051.

APPEND LS_LINE TO E04_LT_TOP_OF_PAGE.

• Aktionsinfo: Typ A

CLEAR LS_LINE.

LS_LINE-TYP = 'A'.

• LS_LINE-KEY: not used for this type

LS_LINE-INFO = TEXT-002.

APPEND LS_LINE TO E04_LT_TOP_OF_PAGE.

ENDFORM.

*----

---

*

• FORM E05_LAYOUT_BUILD *

*----

---

*

• ........ *

*----

---

*

• <-> E05_LS_LAYOUT *

*----

---

*

FORM E05_LAYOUT_BUILD USING E05_LS_LAYOUT TYPE SLIS_LAYOUT_ALV.

E05_LS_LAYOUT-F2CODE = P_F2CODE.

E05_LS_LAYOUT-ZEBRA = P_ZEBRA.

E05_LS_LAYOUT-COLWIDTH_OPTIMIZE = P_COLOPT.

IF P_CHKBOX = 'X'.

E05_LS_LAYOUT-BOX_FIELDNAME = G_BOXNAM.

E05_LS_LAYOUT-BOX_TABNAME = G_TABNAME_ITEM.

ELSE.

CLEAR E05_LS_LAYOUT-BOX_FIELDNAME.

CLEAR E05_LS_LAYOUT-BOX_TABNAME.

ENDIF.

IF P_EXPAND = 'X'.

E05_LS_LAYOUT-EXPAND_FIELDNAME = G_EXPANDNAME.

ELSE.

CLEAR E05_LS_LAYOUT-EXPAND_FIELDNAME.

ENDIF.

E05_LS_LAYOUT-NO_INPUT = P_NOINPT.

E05_LS_LAYOUT-NO_COLHEAD = P_NOCOLH.

IF P_LIGHTS = 'X' OR P_LIGHTC = 'X'.

E05_LS_LAYOUT-LIGHTS_FIELDNAME = P_LIGNAM.

E05_LS_LAYOUT-LIGHTS_TABNAME = G_TABNAME_ITEM.

ELSE.

CLEAR E05_LS_LAYOUT-LIGHTS_FIELDNAME.

CLEAR E05_LS_LAYOUT-LIGHTS_TABNAME.

ENDIF.

IF P_GPCE = 'X'.

E05_LS_LAYOUT-GROUP_CHANGE_EDIT = 'X'.

ENDIF.

E05_LS_LAYOUT-LIGHTS_CONDENSE = P_LIGHTC.

E05_LS_LAYOUT-TOTALS_TEXT = P_TOTEXT.

E05_LS_LAYOUT-SUBTOTALS_TEXT = P_STTEXT.

E05_LS_LAYOUT-TOTALS_ONLY = P_TOTONL.

E05_LS_LAYOUT-KEY_HOTSPOT = P_KEYHOT.

E05_LS_LAYOUT-DETAIL_POPUP = P_DETPOP.

ENDFORM.

*----

---

*

• FORM E06_T_SORT_BUILD *

*----

---

*

• ........ *

*----

---

*

• --> E06_LT_SORT *

*----

---

*

FORM E06_T_SORT_BUILD USING E06_LT_SORT TYPE SLIS_T_SORTINFO_ALV.

DATA: LS_SORT TYPE SLIS_SORTINFO_ALV.

*

CLEAR LS_SORT.

LS_SORT-FIELDNAME = 'CARRID'.

LS_SORT-TABNAME = G_TABNAME_HEADER.

LS_SORT-SPOS = 1.

LS_SORT-UP = 'X'.

APPEND LS_SORT TO E06_LT_SORT.

CLEAR LS_SORT.

LS_SORT-FIELDNAME = 'CONNID'.

LS_SORT-TABNAME = G_TABNAME_ITEM.

LS_SORT-SPOS = 2.

LS_SORT-DOWN = 'X'.

APPEND LS_SORT TO E06_LT_SORT.

ENDFORM.

*----

---

*

• FORM E07_SP_GROUP_BUILD *

*----

---

*

• ........ *

*----

---

*

• --> E07_LT_SP_GROUP *

*----

---

*

FORM E07_SP_GROUP_BUILD USING E07_LT_SP_GROUP TYPE SLIS_T_SP_GROUP_ALV.

DATA: LS_SP_GROUP TYPE SLIS_SP_GROUP_ALV.

*

CLEAR LS_SP_GROUP.

LS_SP_GROUP-SP_GROUP = 'A'.

LS_SP_GROUP-TEXT = TEXT-005.

APPEND LS_SP_GROUP TO E07_LT_SP_GROUP.

ENDFORM.

*----

---

*

• FORM SELECTION *

*----

---

*

• ........ *

*----

---

*

FORM SELECTION.

SELECT * FROM SCARR INTO CORRESPONDING FIELDS OF TABLE GT_SCARR

WHERE CARRID IN CARRID.

SELECT * FROM SPFLI INTO CORRESPONDING FIELDS OF TABLE GT_SPFLI

UP TO P_MAXROW ROWS

WHERE CARRID IN CARRID.

LOOP AT GT_SCARR.

READ TABLE GT_SPFLI WITH KEY CARRID = GT_SCARR-CARRID.

IF SY-SUBRC NE 0.

DELETE GT_SCARR.

ENDIF.

ENDLOOP.

*

PERFORM E02_DATA_ADD TABLES GT_SPFLI.

ENDFORM.

*----

---

*

• FORM TOP_OF_PAGE *

*----

---

*

• ........ *

*----

---

*

FORM TOP_OF_PAGE.

*

CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'

EXPORTING

IT_LIST_COMMENTARY = GT_LIST_TOP_OF_PAGE.

ENDFORM.

*----

---

*

• FORM F4_FOR_VARIANT *

*----

---

*

• ........ *

*----

---

*

FORM F4_FOR_VARIANT.

*

CALL FUNCTION 'REUSE_ALV_VARIANT_F4'

EXPORTING

IS_VARIANT = G_VARIANT

I_SAVE = G_SAVE

I_TABNAME_HEADER = G_TABNAME_HEADER

I_TABNAME_ITEM = G_TABNAME_ITEM

• it_default_fieldcat =

IMPORTING

E_EXIT = G_EXIT

ES_VARIANT = GX_VARIANT

EXCEPTIONS

NOT_FOUND = 2.

IF SY-SUBRC = 2.

MESSAGE ID SY-MSGID TYPE 'S' NUMBER SY-MSGNO

WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ELSE.

IF G_EXIT = SPACE.

P_VARI = GX_VARIANT-VARIANT.

ENDIF.

ENDIF.

ENDFORM.

*&----

---

*

*& Form PAI_OF_SELECTION_SCREEN

*&----

---

*

• text

*----

---

*

FORM PAI_OF_SELECTION_SCREEN.

*

IF NOT P_VARI IS INITIAL.

MOVE G_VARIANT TO GX_VARIANT.

MOVE P_VARI TO GX_VARIANT-VARIANT.

CALL FUNCTION 'REUSE_ALV_VARIANT_EXISTENCE'

EXPORTING

I_SAVE = G_SAVE

CHANGING

CS_VARIANT = GX_VARIANT.

G_VARIANT = GX_VARIANT.

ELSE.

PERFORM VARIANT_INIT.

ENDIF.

ENDFORM. " PAI_OF_SELECTION_SCREEN

*&----

---

*

*& Form VARIANT_INIT

*&----

---

*

• text

*----

---

*

• --> p1 text

• <-- p2 text

*----

---

*

FORM VARIANT_INIT.

*

CLEAR G_VARIANT.

G_VARIANT-REPORT = G_REPID.

ENDFORM. " VARIANT_INIT

Regards,

Kiran

[Former Member]

hi

links for OO ABAP.

http://www.sapgenie.com/abap/OO/

http://www.sapgenie.com/abap/OO/index.htm

http://help.sap.com/saphelp_nw04/helpdata/en/c3/225b5654f411d194a60000e8353423/content.htm

http://www.esnips.com/doc/375fff1b-5a62-444d-8ec1-55508c308b17/prefinalppt.ppt

http://www.esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf

http://www.esnips.com/doc/5c65b0dd-eddf-4512-8e32-ecd26735f0f2/prefinalppt.ppt

http://www.allsaplinks.com/

http://www.sap-img.com/

http://www.sapgenie.com/

http://help.sap.com

http://www.sapgenie.com/abap/OO/

http://www.sapgenie.com.

http://www.sapgenie.com/abap/OO/index.htm

http://www.sapgenie.com/abap/controls/index.htm

http://www.esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf

http://www.esnips.com/doc/0ef39d4b-586a-4637-abbb-e4f69d2d9307/SAP-CONTROLS-WORKSHOP.pdf

http://www.sapgenie.com/abap/OO/index.htm

http://help.sap.com/saphelp_erp2005/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm

http://www.sapgenie.com/abap/OO/

some more materials.

Go through the following Documents Links & Materials for ABAP Objects

check the below links lot of info and examples r there

http://www.sapgenie.com/abap/OO/index.htm

http://www.geocities.com/victorav15/sapr3/abap_ood.html

http://www.brabandt.de/html/abap_oo.html

Check this cool weblog:

/people/thomas.jung3/blog/2004/12/08/abap-persistent-classes-coding-without-sql

/people/thomas.jung3/blog/2004/12/08/abap-persistent-classes-coding-without-sql

/people/sap.user72/blog/2005/05/10/a-small-tip-for-the-beginners-in-oo-abap

/people/ravikumar.allampallam/blog/2005/02/11/abap-oo-in-action

/people/thomas.jung3/blog/2005/09/08/oo-abap-dynpro-programming

http://help.sap.com/saphelp_nw04/helpdata/en/c3/225b6254f411d194a60000e8353423/frameset.htm

http://www.sapgenie.com/abap/OO/

http://www.sapgenie.com/abap/OO/index.htm

http://help.sap.com/saphelp_nw04/helpdata/en/c3/225b5654f411d194a60000e8353423/content.htm

http://www.esnips.com/doc/375fff1b-5a62-444d-8ec1-55508c308b17/prefinalppt.ppt

http://www.esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf

http://www.esnips.com/doc/5c65b0dd-eddf-4512-8e32-ecd26735f0f2/prefinalppt.ppt

http://www.allsaplinks.com/

http://www.sap-img.com/

http://www.sapgenie.com/

http://help.sap.com

http://www.sapgenie.com/abap/OO/

http://www.sapgenie.com/abap/OO/index.htm

http://www.sapgenie.com/abap/controls/index.htm

http://www.esnips.com/doc/2c76dc57-e74a-4539-a20e-29383317e804/OO-abap.pdf

http://www.esnips.com/doc/0ef39d4b-586a-4637-abbb-e4f69d2d9307/SAP-CONTROLS-WORKSHOP.pdf

http://www.sapgenie.com/abap/OO/index.htm

http://help.sap.com/saphelp_erp2005/helpdata/en/ce/b518b6513611d194a50000e8353423/frameset.htm

http://www.sapgenie.com/abap/OO/

these links

http://help.sap.com/saphelp_47x200/helpdata/en/ce/b518b6513611d194a50000e8353423/content.htm

For funtion module to class

http://help.sap.com/saphelp_47x200/helpdata/en/c3/225b5954f411d194a60000e8353423/content.htm

for classes

http://help.sap.com/saphelp_47x200/helpdata/en/c3/225b5c54f411d194a60000e8353423/content.htm

for methods

http://help.sap.com/saphelp_47x200/helpdata/en/08/d27c03b81011d194f60000e8353423/content.htm

for inheritance

http://help.sap.com/saphelp_47x200/helpdata/en/dd/4049c40f4611d3b9380000e8353423/content.htm

for interfaces

http://help.sap.com/saphelp_47x200/helpdata/en/c3/225b6254f411d194a60000e8353423/content.htm

regards

ravish

<b>plz dont forget to reward points if helpful</b>