IBM AS/400 manual File Maintenance, F3 End Job, F5 Add, F6 Update, F7 Delete, F8 Display

File Maintenance

change the mode of processing by pressing F5 (ADD), F6 (UPDATE), F7 (DELETE), or F8 (DISPLAY).

To add

a

new

record

to

the

file,

the

program uses

the customer nu

search

argument

to chain

to

the

master

file.

If

the record does

the

program displays

the

CSTBLD

screen to

allow

the user to enter a

tomer

record.

If the record is already in

the file, an error me

user

can

press

F12,

which

sets

on

indicator

12,

to

cancel the add

release the record. Otherwise, to proceed with the add operation,

information

for

the

new

customer

record in

the

input

fields

and writ

record

to

the

master

file.

To update,

delete,

or

display an existing record, the program uses

number

as

the

search

argument to chain to the

master file.

If

a

tomer exists in the file, the program

displays

the

customer

file

inq

CSTINQ.

If

the

record

is not in

the

file,

an

error

message

is

dis

of processing is display or delete, the input fields are protected

Otherwise, to proceed	with	the customer record, the user can ente
in the customer record	input	fields. The user can press F12, which

12, to cancel the update or delete operation, and release the re

automatically	releases	the	record	when Enter is pressed.
In Figure 176,	the workstation user			responds to the prompt by entering
number 00007 to	display	the	customer	record.

‡			—
	DISPLAY MODE
22:30:21		CUSTOMER FILE MAINTENANCE	9/30/94

00007 <--Enter Customer Number

ˆ	F3 End Job		F5 Add	F6 Update	F7 Delete	F8 Display	˜
Figure		176.	'Customer File Maintenance' Display Mode prompt screen
Because the customer record for					customer number 00007 exists in the
the		data	is displayed	as show in	Figure 177	on page 356.

Chapter 19. Example of an Interactive 355Application