Mis primeros pininos y no funciona. ayuda :(

[Silversx]

se queda en el mesage select3 y ya no sale el ALV. ya no se que hacer. sin embargo se ve estupidamente sencillo.


data: begin of gt_ca occurs 0,
ocpedido type EKKO-EBELN,
fecha type EKKO-AEDAT,
moneda type EKKO-WAERS,
end of gt_ca.


data: begin of gt_fin occurs 0,
ocpedido1 type EKKO-EBELN,
fecha1 type EKKO-AEDAT,
moneda1 type EKKO-WAERS,
numpro1 type EKKO-LIFNR,
end of gt_fin.


DATA :gt_cat TYPE slis_t_fieldcat_alv,
gs_cat LIKE LINE OF gt_cat.
*&---------------------------------------------------------------------*
*& Form ZTE_SELECCION1
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM ZTE_SELECCION1.

message 'select' type 'I' .
select a~EBELN a~AEDAT a~WAERS from EKKO as a
into table gt_ca
where a~AEDAT BETWEEN '01012010' AND '02022016'.
REfresh gt_fin.
if sy-subrc EQ 0.
message 'select2' type 'I' .
LOOP at gt_ca.
"clear gt_fin.
message 'select3' type 'I' .
gt_fin-ocpedido1 = gt_ca-ocpedido.
gt_fin-fecha1 = gt_ca-fecha.
gt_fin-moneda1 = gt_ca-moneda.

write: / 'DATOS ',gt_fin-ocpedido1 ,gt_fin-fecha1 ,gt_fin-moneda1.
APPEND gt_fin. "inserta en la tabla
ENDLOOP.
* else.
* write: / 'no '.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.


ENDFORM. " ZTE_SELECCION1
*&---------------------------------------------------------------------*
*& Form ZTE_ALV1
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
FORM ZTE_ALV1 .

CHECK gt_fin IS NOT INITIAL.

REFRESH gt_cat.

CLEAR gs_cat.
gs_cat-fieldname = 'OC'.
gs_cat-ref_fieldname ='EBELN'.
gs_cat-ref_tabname ='EKKO'.
gs_cat-emphasize = 'C411'.
ADD 1 TO gs_cat-col_pos.
APPEND gs_cat TO gt_cat.

CLEAR gs_cat.
gs_cat-fieldname = 'FECHA'.
gs_cat-ref_fieldname ='AEDAT'.
gs_cat-ref_tabname ='EKKO'.
gs_cat-emphasize = 'C601'.
ADD 1 TO gs_cat-col_pos.
APPEND gs_cat TO gt_cat.

CLEAR gs_cat.
gs_cat-fieldname = 'MONEDA'.
gs_cat-ref_fieldname ='WAERS'.
gs_cat-ref_tabname ='EKKO'.
gs_cat-emphasize = 'C600'.
ADD 1 TO gs_cat-col_pos.
APPEND gs_cat TO gt_cat.




CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY' "llamado a la tabla de creacion en pantalla
EXPORTING

I_CALLBACK_PROGRAM = sy-repid
IT_FIELDCAT = gt_cat

TABLES
T_OUTTAB = gt_fin[]
EXCEPTIONS
PROGRAM_ERROR = 1
OTHERS = 2.

ENDFORM. " ZTE_ALV1