* READ and MODIFY
READ TABLE t_mara ASSIGNING <lfs_mara>
  WITH KEY matnr = '123456'.
IF sy-subrc EQ 0.
  <lfs_mara>-ersda = sy-datum.
ENDIF.
*
* LOOP and MODIFY
LOOP AT t_mara ASSIGNING <lfs_mara>.
  <lfs_mara>-ersda = sy-datum + 1
ENDLOOP.
 
 
Serkan AKKAVAK
Computer Engineer
serkurumsal@yandex.com