Regarding simple 00ps report

Former Member — Wed, 25 Jun 2008 10:33:27 GMT

Hi friends,

I have done simple oops report . It is going dump.

The dump is Access via 'NULL' object reference not possible.

The code is below

&----

*& Report YCLASS_OOPS_SAMPLE_PROGRAM

&----

*&Sample OOPS Program for ALV

*& Venkat V G Murali Mohan M

&----

REPORT yclass_oops_sample_program.

tables:sflight.

*ALV Grid instance refernce

DATA: alv TYPE REF TO cl_gui_alv_grid,

*Custom container instance refernce

cont TYPE REF TO cl_gui_custom_container,

Field catalog of table

fieldcat TYPE lvc_t_fcat,

Layout structure

layout TYPE REF TO lvc_s_layo.

select-options s_fl for sflight-carrid.

*Internal table Holding data

DATA:BEGIN OF i_list OCCURS 0.

INCLUDE STRUCTURE sflight.

DATA END OF i_list.

START-OF-SELECTION.

Fetching data to be displayed

SELECT * FROM sflight INTO TABLE i_list.

CALL SCREEN 100.

&----

*& Module DISPLAY_ALV OUTPUT

&----

text

----

MODULE display_alv OUTPUT.

PERFORM display_outpiut.

ENDMODULE. " DISPLAY_ALV OUTPUT

&----

*& Form display_outpiut

&----

text

----

--> p1 text
<-- p2 text

----

form display_outpiut .

write 'hai'.

CALL METHOD alv->set_table_for_first_display

EXPORTING

I_BUFFER_ACTIVE =
I_BYPASSING_BUFFER =
I_CONSISTENCY_CHECK =

I_STRUCTURE_NAME = 'SFLIGHT'

IS_VARIANT =
I_SAVE =
I_DEFAULT = 'X'
IS_LAYOUT =
IS_PRINT =
IT_SPECIAL_GROUPS =
IT_TOOLBAR_EXCLUDING =
IT_HYPERLINK =
IT_ALV_GRAPHICS =
IT_EXCEPT_QINFO =
IR_SALV_ADAPTER =

CHANGING

it_outtab = i_list[].

IT_FIELDCATALOG =
IT_SORT =
IT_FILTER =
EXCEPTIONS
INVALID_PARAMETER_COMBINATION = 1
PROGRAM_ERROR = 2
TOO_MANY_LINES = 3
others = 4

IF sy-subrc <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

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

ENDIF.

write 'hai'.

if alv is initial.

*create custom container instance

CREATE OBJECT cont

EXPORTING

PARENT =

container_name = 'ZCUSTOM'

STYLE =
LIFETIME = lifetime_default
REPID =
DYNNR =
NO_AUTODEF_PROGID_DYNNR =
EXCEPTIONS
CNTL_ERROR = 1
CNTL_SYSTEM_ERROR = 2
CREATE_ERROR = 3
LIFETIME_ERROR = 4
LIFETIME_DYNPRO_DYNPRO_LINK = 5
others = 6

IF sy-subrc <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

endif.

endform. " display_outpiut

But i-list is having the records.

Please reply immed

Re: Regarding simple 00ps report

Former Member — Wed, 25 Jun 2008 10:35:47 GMT

Create the object first and later call the method for display

Re: Regarding simple 00ps report

Former Member — Wed, 25 Jun 2008 10:36:35 GMT

*Create object for Custom container
CREATE OBJECT  cont
EXPORTING
CONTAINER_NAME = 'ZCUSTOM'
EXCEPTIONS
CNTL_ERROR = 1
CNTL_SYSTEM_ERROR = 2
CREATE_ERROR = 3
LIFETIME_ERROR = 4
LIFETIME_DYNPRO_DYNPRO_LINK = 5.
*Create object for ALV grid
CREATE OBJECT alv
EXPORTING I_PARENT = cont.

Regards

Kannaiah

Re: Regarding simple 00ps report

Former Member — Wed, 25 Jun 2008 11:34:47 GMT

Thanks Kanniah.

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