hi Suma,
try steps
- rsa6 (or rso2 if generic) -> choose your data source, click enhance structure -> in next screen of the structure, click 'append structure'. system will propose structure name, just accept. in new structure, add field zzvbkum and zz[name you want] e.g zzmeins. component/type for zzvbkum use same as vbkum and zzmeins use same as meins. then reference for zzvbkum fill with append structure and field with zzmeins.
- maintain datasource again, remove 'hidden' from that 2 new fields, save datasource.
- transaction cmod, create new project and assign enhancement rspa0001. double click exit_...002, and double click 'zxrsau02', create new, will prompt something sap reserved name, just press enter.
- in zxrsau02 fill with code
data : l_s_ds like [your data source extract structure],
l_vbkum like mbew-vbkum,
l_meins like mara-meins,
l_tabix like sy-tabix.
case i_datasource.
when 'your datasource name'
loop at c_t_data into l_s_ds.
l_tabix = sy-tabix.
select single vbkum meins into l_vbkum l_meins
from mbew
where [condition, field = l_s_ds-fieldname ....].
if sy-subrc = 0.
l_s_ds-zzvbkum = l_vbkum.
l_s_ds-zzmeins = l_meins.
modify c_t_data from l_s_ds index l_tabix.
endif.
endloop.
endcase.
hope this helps.
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