For LOOP in ABAP!
CODE- A simple use of FOR loop for filling internal table rows
TYPES:BEGIN OF line,
col1 TYPE i,
col2 TYPE i,
END OF line,
ty_itab TYPE STANDARD TABLE OF line WITH EMPTY KEY.
DATA(lt_itab) = VALUE ty_itab( FOR j = 0 THEN j + 10 WHILE j < 100
( col1 = j col2 = j + 1 ) ) .
LOOP AT lt_itab ASSIGNING FIELD–SYMBOL(<fs_itab>).
WRITE:/ <fs_itab>–col1,
<fs_itab>–col2.
ENDLOOP.
CODE