Modify command to update Internal table values

Changing values within an internal table using the MODIFY command is a very powerfull yet simple process to perform. The code below demonstrates how you can populate an internal table and then change the value of a specific field within that internal table.

*&-----------------------------------------------------------*
*& Report  ZMODIFYITAB                                       *
*&                                                           *
*&-----------------------------------------------------------*
*& Example of Modifying an internal table value              *
*&                                                           *
*&-----------------------------------------------------------*
*&-Created By details----------------------------------------*
*&                                                           *
*& Author : www.sapdev.co.uk                                 *
*&  SAP ABAP development                                    *
*&-----------------------------------------------------------*
Report  ZMODIFYITAB.

type-pools: slis.                                 "ALV Declarations
*Data Declaration
*----------------
TYPES: BEGIN OF t_ekko,
  ebeln TYPE ekpo-ebeln,
  ebelp TYPE ekpo-ebelp,
  statu TYPE ekpo-statu,
  aedat TYPE ekpo-aedat,
  matnr TYPE ekpo-matnr,
  menge TYPE ekpo-menge,
  meins TYPE ekpo-meins,
  netpr TYPE ekpo-netpr,
  peinh TYPE ekpo-peinh,
 END OF t_ekko.

DATA: it_ekko TYPE STANDARD TABLE OF t_ekko INITIAL SIZE 0,
      wa_ekko TYPE t_ekko.

************************************************************************
*Start-of-selection.
START-OF-SELECTION.

  select ebeln ebelp statu aedat matnr menge meins netpr peinh
   up to 10 rows
    from ekpo
    into table it_ekko.

************************************************************************
*End-of-selection.
END-OF-SELECTION.

  loop at it_ekko into wa_ekko.
    wa_ekko-netpr = '100'.
    MODIFY it_ekko INDEX sy-tabix FROM wa_ekko
         TRANSPORTING netpr.
  endloop.

MODIFY a database table value
The below abap code demonstrates how to add or update a SAP database table row with the contents of a work area (structure).

ABAP MODIFY command to modify database tables and internal tables