Computation using plsql function body

Question

Apex 4.2 linux 11gR2
I am trying to compute a value based on existing data in DB
Using apex functionality, pl/sql function body to compute AFTER SUBMIT
declare
    c    number(4);
    temp NUMBER(11,2);
    temp1 NUMBER(11,2);
    --P11_CURRENT_MONTH_EST_TO_DATE  NUMBER(11,2);
begin
      select count (*) into c
      FROM REVENUE_ANNUAL
      where COMPANY_ID=:P11_COMPANY
      and period=:P11_PERIOD;
      dbms_output.put_line(c);
      if c>0 then
              SELECT  CURRENT_MONTH_BILLED_TO_DATE
              into temp
              FROM REVENUE_ANNUAL
              where COMPANY_ID=:P11_COMPANY
              and period=:P11_PERIOD;
              --dbms_output.put_line(temp);
              :P11_X :=:temp;
             :P11_CURRENT_MONTH_EST_TO_DATE := temp*0.19;
            --dbms_output.put_line(P11_CURRENT_MONTH_EST_TO_DATE);
       end if ;
   end ;
  block is executed successfully in sql dev but on insert in apex , it never returns a value.
Your Help is appreciated.
Edited by: Hunk09 on Apr 23, 2013 4:04 PM
Edited by: Hunk09 on Apr 23, 2013 4:06 PM

Answer 1

If your computation type is "PL/SQL Function Body", then you need to add something like this to your procedure.
return temp;which will set whatever item you've associated with your computation to the variable "temp" in session state.