Urgent interesting req

Question

Hi friends ,
i have a req like this the I_BSID int table is having records like this
year/month posting dt assignmnet amount in loccurrency
opening balance as that of 04/01/2007 is last month end balance i.e march           0.00
2007/04     2007/04/03 ar0r             15020.23
2007/04     2007/04/07 0110                            125.32-
                  sub total                      15020.23    125.32
closing balance             = open + ( 15020.23 + 125.23- )            
Here i don;t have data for say month 05
could you let me know how to update z table from month 05
below logic is working for month 04 but not for 05 as the int table is not having values for month 05
Kindly let me know how to update  z table for month 05 so that to get cumulative balance
     closed open balance
apr 1500   1000 500
may 0.00    0.00 500 ( pre apr balance + (0.00-0.00)
Kindly let me know how to do it.
LOOP AT i_bsid.
      wa_bsid = i_bsid.
      IF wa_bsid-shkzg = 'S'.
        z_newitems = wa_bsid-dmbtr + z_newitems.
      ELSE.
        wa_bsid-dmbtr = 0 - wa_bsid-dmbtr.
        z_closeditems = wa_bsid-dmbtr + z_closeditems.
      ENDIF.
      AT END OF budat+4(2).
        CONCATENATE wa_bsid-budat0(4) wa_bsid-budat4(2) INTO v_spmon.
        i_ztable-mandt      = sy-mandt.
        i_ztable-spmon      = v_spmon.( year / month )
        i_ztablekunnr      = wa_bsid-kunnr.
        i_ztable-bukrs      = wa_bsid-bukrs.
        i_z-tablez_newitems = z_newitems.
        i_z-z_closeditems = z_closeditems.
        i_z-z_balance = z_newitems + z_closeditems.
        APPEND i_ztable.
        CLEAR: z_newitems,z_closeditems.

Answer 1

At end of the internal table, after you update month 04 - you need to calculate how many months left to update. Just use Do statement to calculate and add to internal table.