1.sy-tabix 2.sy-batch 3.gd_printparams

Question

Hi Folks,
1.data:itsort TYPE slis_t_sortinfo_alv WITH HEADER LINE.
data:gd_prntparams TYPE slis_print_alv.
In the reuse_alv_grid_display I am giving these.
i_save                  = 'A'
is_print                = gd_prntparams
it_sort                 = itsort[]
What difference does these two parameters make.
I commented it and seen but I was not able to figureout the difference.
2.To get the serial number in the alv grid,I had delcared a variable sl_no like sy-tabix and then
loop at it_final.
it_final-sl_no = it_final-sl_no + 1.
modify it_final.
endloop.
I am getting the result,but I want to know is this the correct way or do we have any other way to get the same.
3.If a report has to be run in the background why we have to choose only a particular layout.
if sy-batch = space.
call function reuse_alv_grid_display.
elseif sy-batch = 'X'.
call function reuse_alv_list_display.
why?
Can anyone here please let me know about the same.
Thanks,
K.Kiran.

Answer 1

<b>see the details   you want </b>
for  <b>1. i_save = 'A'  </b>
Variants can be saved  using Controls the save mode
Prerequisite:
Parameter IS_VARIANT is filled accordingly.
See also the documentation on IMPORTING parameter IS_VARIANT.
Value range
' ' = Display variants cannot be saved
Defined display variants (such as delivered display variants) can be selected for presentation regardless of this indicator. However, changes cannot be saved.
'X' = Standard save mode
Display variants can be saved as standard display variants.
Saving display variants as user-specific is not possible.
'U' = User-specific save mode
Display variants can only be saved as user-specific.
'A' = Standard and user-specific save mode
Display variants can be saved both as user-specific and as standard
variants. Users make their choice on the dialog box for saving the
display variant.
<b>2.is_print</b> Control parameters relevant for printing
PRINT
Value range: SPACE, 'X'
'X' = Print list and do not display it on the screen. Further settings can be made on the print parameter screen.
NO_PRINT_SELINFOS
Value range: SPACE, 'X'
'X' = Do not print existing selection information (see also LAYOUT-GET_SELINFOS)
NO_COVERPAGE
Value range: SPACE, 'X'
'X' = Print selection information and list status, if available, on a separate page.
NO_NEW_PAGE
Value range: SPACE, 'X'
Internal use only
RESERVE_LINES
Value range: 0, n
n = Number of lines output in the footer by the user during printout at END_OF_PAGE in the corresponding callback event.
NO_PRINT_LISTINFOS
Value range: SPACE, 'X'
'X' = Do not print list status (sort information, subtotals information and filter information).
NO_CHANGE_PRINT_PARAMS
Value range: SPACE, 'X'
SPACE = (default) The output format (number of columns) is dynamically adjusted depending on the list width (255 at most).
'X' = The current print parameters are always used. If the list is wider, the output width is not adjusted dynamically.
<b>3.it_sort = itsort[]</b>   Using internal table IT_SORT, the caller determines the sort order and/or the subtotalling of the basic list.
The following fields of this internal table must be filled:
spos
Sort order
fieldname
Field name in the internal output table
up
'X' = Sorted in ascending order
down
'X' = Sorted in descending order
subtot
'X' = Subtotals for control level changes
comp (INTERNAL USE ONLY)
expa
Prequisite:
IT_SORT-SUBTOT = 'X', that is, the sort criterion is also the subtotals criterion.
If no complete breakdown but only a breakdown to totals level n that can be further expanded by the user should be displayed when the list is output for the first time, you must set the indicator for the totals level criterion of level n.
to  get the serianl  no  ...  you are   Correct  it was the  easiest method   just all  one field in the internal table  and   push the serial nos.  define the  field catalog  .... enough
loop at it_final.
it_final-sl_no = it_final-sl_no + 1.
modify it_final.
endloop.
fieldcatalog-fieldname   = 'SI_NO'.
  fieldcatalog-seltext_m   = 'Price Unit'.
  fieldcatalog-col_pos     = 8.
  append fieldcatalog to fieldcatalog.
  clear  fieldcatalog.
rewarde  points if it is usefull...
Girish