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Hello all!

     I'm new  in page loading subfile in cobol400 and only knew that in page
loading, we write codes for pagedown and pageup.

     Here's my problem, for example our sflsiz and sflpag is equal = 4
and i have two fields 
1. input-ouput field(opt)
2. output field(o-fld)

     i will then display the subfile with these to fields like these

opt              o-fld
1        OOOOOOOOOOOOO
1        OOOOOOOOOOOOO
1        OOOOOOOOOOOOO
1        OOOOOOOOOOOOO

1 - select

     then i put some characters on the opt field, then i pagedown, before
moving down or displaying another sets of records we usually do some
validation of inputs, and for this case we validate opt if = 1,
if true, we load the next set of records, and display it, here's my concern
when I page-up
my last input of 1 in each records, disappears

opt              o-fld
         OOOOOOOOOOOOO
         OOOOOOOOOOOOO
         OOOOOOOOOOOOO
         OOOOOOOOOOOOO

1 - select

   In rpgile, I heard that they do these by using a DATE QUEUE API as a
temporary storage.

Is cobol400 can used DATA QUEUE? Can you send me some sample programs using
DATA QUEUE in page loading subfile
i have also attached a rtf file for better word format

many thanks!!!


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