block alv

[Former Member]

what is block alv? difference from list,grid,and hei'al alv? and code right from function module internal table work area.

[Former Member · Accepted solution]

take a look at this code, ur problem will be solved...

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*& Report ZSHA_BLOCK_ALV

*&

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*&

*&

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REPORT ZSHA_BLOCK_ALV.

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• Declarations for BLOCK ALV DISPLAY

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*--type pools

TYPE-POOLS:slis.

DATA:x_layout TYPE slis_layout_alv,

t_field TYPE slis_t_fieldcat_alv,

*--field catalog

x_fldcat LIKE LINE OF t_field,

*--to hold all the events

t_events TYPE slis_t_event,

x_events TYPE slis_alv_event,

t_sort TYPE slis_t_sortinfo_alv,

x_sort LIKE LINE OF t_sort ,

*--Print Layout

x_print_layout TYPE slis_print_alv.

*----Macro to add field catalog.

*field "text "length "tech "COL_POS "DATATYPE "DDIC_OUTPUTLEN

DEFINE add_catalog.

clear x_fldcat.

x_fldcat-fieldname = &1.

x_fldcat-seltext_m = &2.

x_fldcat-outputlen = &3.

x_fldcat-tech = &4.

x_fldcat-col_pos = &5.

x_fldcat-no_zero = 'X'.

x_fldcat-ddictxt = 'M'.

x_fldcat-datatype = &6.

x_fldcat-ddic_outputlen = &7.

if &6 = 'N'.

x_fldcat-lzero = 'X'.

endif.

*--build field catalog

append x_fldcat to t_field.

END-OF-DEFINITION.

*----- data declerations.

data: v_repid like sy-repid.

data: begin of itab occurs 0,

matnr like mara-matnr,

ernam like mara-ernam,

meins like mara-meins,

end of itab.

data: begin of jtab occurs 0,

matnr like makt-matnr,

maktx like makt-maktx,

end of jtab.

select matnr ernam meins

up to 20 rows

from mara

into table itab.

select matnr maktx

up to 20 rows

from makt

into table jtab.

v_repid = sy-repid.

*DISPLAY alv

• Initialize Block

call function 'REUSE_ALV_BLOCK_LIST_INIT'

exporting

i_callback_program = v_repid.

*Block 1:

*INITIALIZE

refresh t_field. clear t_field.

refresh t_events.

*field "text "length "tech "COL_POS "DATATYPE "DDIC_OUTPUTLEN

add_catalog:

'MATNR' 'Material' '18' '' '1' 'C' '18',

'ERNAM' 'Created By' '12' '' '2' 'C' '12',

'MEINS' 'Unit' '5' '' '3' 'C' '3'.

*--build table for events.

x_events-form = 'TOP_OF_LIST1'.

x_events-name = slis_ev_top_of_list.

append x_events to t_events.

call function 'REUSE_ALV_BLOCK_LIST_APPEND'

exporting

is_layout = x_layout

it_fieldcat = t_field

i_tabname = 'ITAB'

it_events = t_events

it_sort = t_sort

tables

t_outtab = itab

exceptions

program_error = 1

maximum_of_appends_reached = 2

others = 3.

if sy-subrc <> 0.

message id sy-msgid type sy-msgty number sy-msgno

with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.

endif.

*--BLOCK 2(SUMMARY REPORT)

*INITIALIZE

refresh t_field. clear t_field.

refresh t_events.

*field "text "length "tech "COL_POS "DATATYPE "DDIC_OUTPUTLEN

add_catalog:

'MATNR' 'Material' '20' '' '1' 'C' '18',

'MAKTX' 'Description' '40' '' '2' 'C' '40'.

*--build table for events.

x_events-form = 'TOP_OF_LIST2'.

x_events-name = slis_ev_top_of_list.

append x_events to t_events.

• Append table block.

call function 'REUSE_ALV_BLOCK_LIST_APPEND'

exporting

is_layout = x_layout

it_fieldcat = t_field

i_tabname = 'JTAB'

it_events = t_events

tables

t_outtab = jtab

exceptions

program_error = 1

maximum_of_appends_reached = 2

others = 3.

if sy-subrc <> 0.

message id sy-msgid type sy-msgty number sy-msgno

with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.

endif.

*--CALL FM TO DISPLAY THE BLOCK REPORT.

call function 'REUSE_ALV_BLOCK_LIST_DISPLAY'

• exporting

• is_print = x_print_layout

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.

form top_of_list1.

skip 1.

write: 10 'List 1',

/5 '----

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'.

skip 1.

format reset.

endform.

form top_of_list2.

skip 1.

write: 10 'List 2',

/5 '----

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'.

skip 1.

format reset.

endform.