Hi,
please see this code lines,
through which you can create header lines, for
FORM BUILD_HEADER .
DATA: LV_LINES TYPE C LENGTH 10,
LV_TEXT TYPE C LENGTH 255.
GS_HEADER-TYP = 'H'.
GS_HEADER-INFO = TEXT-233.
APPEND GS_HEADER TO GT_HEADER.
CLEAR: GS_HEADER.
IF S_VBELN IS NOT INITIAL.
GS_HEADER-TYP = 'S'.
GS_HEADER-KEY = 'Sales Order No '.
IF S_VBELN-HIGH IS NOT INITIAL.
CONCATENATE S_VBELN-LOW 'To' S_VBELN-HIGH INTO GS_HEADER-INFO
SEPARATED BY SPACE.
ELSE.
GS_HEADER-INFO = S_VBELN-LOW.
ENDIF.
APPEND GS_HEADER TO GT_HEADER.
CLEAR: GS_HEADER.
ENDIF.
IF S_ERDAT IS NOT INITIAL.
GS_HEADER-TYP = 'S'.
GS_HEADER-KEY = 'Created on'.
IF S_ERDAT-HIGH IS NOT INITIAL.
CONCATENATE S_ERDAT-LOW 'To' S_ERDAT-HIGH INTO GS_HEADER-INFO
SEPARATED BY SPACE.
ELSE.
GS_HEADER-INFO = S_ERDAT-LOW.
ENDIF.
APPEND GS_HEADER TO GT_HEADER.
CLEAR: GS_HEADER.
ENDIF.