Program is Locked

 http://kmit4u.blogspot.com/2010/10/abap-change-program-and-show-changes-to.html

Currency Issue in Smartforms

https://www.beginners-sap.com/currency-format-in-write-statement/

Add New Fields in ME2N

https://answers.sap.com/questions/12323798/additional-fields-in-me2n-is-showing-blank-value-i.html

Special Character Check in ABAP

Use function module - CHECK_STRING_SPEC_CHARACTERS

PO Header text and item text

DATA: BEGIN OF LTEXT OCCURS 50.
        INCLUDE STRUCTURE TLINE.
DATA: END OF LTEXT.

DATA: NAME TYPE THEAD-TDNAME.
DATA: LINE TYPE STANDARD TABLE OF TLINE.

TYPES: BEGIN OF ST_2,
        JK(1),
        TJ(1),
        TENDERID TYPE TDLINE,
      END OF ST_2.

DATA: IT TYPE STANDARD TABLE OF ST_2.
DATA: WA_2 LIKE LINE OF IT.



LOOP AT ITAB_PO INTO WA_PO.
  NAME = WA_PO-EBELN.
  CALL FUNCTION 'READ_TEXT'
    EXPORTING
      CLIENT   = SY-MANDT
      ID       = 'F17'
      LANGUAGE = 'E'
      NAME     = NAME
      OBJECT   = 'EKKO'
    TABLES
      LINES    = LINE
    EXCEPTIONS
      ID                            = 1
      LANGUAGE                      = 2
      NAME                          = 3
      NOT_FOUND                     = 4
      OBJECT                        = 5
      REFERENCE_CHECK               = 6
      WRONG_ACCESS_TO_ARCHIVE       = 7
      OTHERS                        = 8.
  IF SY-SUBRC EQ 0.
    READ TABLE line INDEX 1 INTO WA_2.
    WA_PO-TENDERID = WA_2-TENDERID.
    MODIFY ITAB_PO FROM WA_PO.
  ENDIF.
  CLEAR: WA, WA_2.
ENDLOOP.