Make text edit or non edit mode t-code vl02n

 ABOVE CODE AND INCLUDE PROGRAM WORK T-CODE VL02N AND INCLUDE PROGRAM NAME LV70TFT3  MAKE TEXT TO EDIT OR NON EDIT MODE
go to t-code vl02n and change select any delevery and press enter butoon then click on  goto and text select any text here fales and true make text edit or non edit mode 

    BREAK ROHINIK.
    IF SY-UNAME = 'ROHINIK' AND SY-TCODE = 'VL02N' OR SY-TCODE = 'VL03N'.
  CALL METHOD GV_TEXT_EDITOR->SET_READONLY_MODE
  EXPORTING
    READONLY_MODE = GV_TEXT_EDITOR->FALSE


    EXCEPTIONS
              ERROR_CNTL_CALL_METHOD = 1
              INVALID_PARAMETER      = 2
              OTHERS                 = 3.
   ENDIF.