Here is a simple code to display any table data using ALV using class CL_SALV_TABLE (factory method)
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report zsb_dynamic_alv.
field-symbols:
<f_tab1> type standard table.
parameters:
p_tname type tabname16 obligatory,
p_rows(5) type c default '200'.
class lcl_dynamic definition .
public section.
methods:
check_selection
exceptions invalid_table,
main
exceptions no_data_found,
display.
private section.
type-pools: abap.
data: tab type ref to cl_abap_structdescr,
wa_tab type ref to cl_abap_structdescr,
comp_tab type cl_abap_structdescr=>component_table,
i_tab type ref to cl_abap_tabledescr,
i_table type ref to data.
endclass.
class lcl_dynamic implementation.
method check_selection.
select count(
from dd02l
where tabname = p_tname
and as4local = 'A'
and tabclass = 'TRANSP'.
if sy-subrc <> 0.
raise invalid_table.
endif.
endmethod.
method main.
tab ?= cl_abap_typedescr=>describe_by_name( p_tname ).
comp_tab = tab->get_components( ).
wa_tab = cl_abap_structdescr=>create( comp_tab ).
i_tab = cl_abap_tabledescr=>create( wa_tab ).
create data i_table type handle i_tab.
assign i_table->
if p_rows is initial.
p_rows = '50000'.
endif.
select
into table <f_tab1>
up to p_rows rows.
if sy-subrc <> 0.
raise no_data_found.
endif.
endmethod.
method display.
set titlebar sy-title
of program sy-cprog
with 'Display table:' p_tname.
data:
l_gr_alv type ref to cl_salv_table,
l_gr_functions type ref to cl_salv_functions.
try.
call method cl_salv_table=>factory
importing
r_salv_table = l_gr_alv
changing
t_table = <f_tab1>.
catch cx_salv_msg .
endtry.
l_gr_functions = l_gr_alv->get_functions( ).
l_gr_functions->set_all( abap_true ).
l_gr_alv->display( ).
endmethod.
endclass.
at selection-screen.
data oref_check type ref to lcl_dynamic.
create object oref_check.
call method oref_check->check_selection
exceptions
invalid_table = 1.
if sy-subrc <> 0.
message e001(00) with
p_tname ' is not a Transparant Table'.
endif.
start-of-selection.
data oref_main type ref to lcl_dynamic.
create object oref_main.
call method oref_main->main
exceptions
no_data_found = 1.
if sy-subrc <> 0.
message i001(00) with 'No data found'.
leave list-processing.
endif.
end-of-selection.
call method oref_main->display.
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Helped a lot thanks
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