write the logic for PAGEUP and PAGEDOWN by using psuedo conversatation techniq

write the logic for PAGEUP and PAGEDOWN by using psuedo
conversatation technique?

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write the logic for PAGEUP and PAGEDOWN by using psuedo conversatation technique?..

Coding is not possible in this forum. Here is the logic.
Suppose you want you display 10 items at a time on the
scren.
1 Declare an array of occurance 10.
2 Read-Next the file and load the records on Array.
3 Send data in the to screen.
4 If user pressed PF8. Take the last record(i.e. 10th in
our case) and perform READ-NEXT from last record onwards.
Store the records on array and send them to screen.
5 If user pressed PF7. Take the last record(i.e. 1st in our
case) and perform READ-PREV from first record onwards.
Store the records on array and send them to screen.

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7 Yes

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write the logic for PAGEUP and PAGEDOWN by using psuedo conversatation technique?..

Answer / anonymous

If current page number is 1
Read TSQ
‘TOP OF DATA, NO MORE RECORDS TO DISPLAY’
If current page number is not 1
Subtract ‘1’ from the current page
Read TSQ
If reading TSQ successful,
‘PREVIOUS SCREEEN DISPLAYED’ o
Return back processing

Is This Answer Correct ?

3 Yes

0 No

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