IBM AS/400 manual DDS for a, Display Device, Main Menu Inquiry, File

Main Menu Inquiry

A*****************************************************************

A*	FILE	NAME:	CUSMST	*
A*	RELATED	PGMS:	CUSMNT, SCHZIP, SCHNAM	*
A* RELATED FILES:			CUSMSTL1, CUSMSTL2, CUSMSTL3 (LOGICAL FILES)	*
A*	DESCRIPTION:		THIS IS THE PHYSICAL FILE CUSMST. IT HAS	*
A*			ONE RECORD FORMAT CALLED CUSREC.	*
A*****************************************************************
A* CUSTOMER		MASTER	FILE -- CUSMST

AR CUSREC

A	CUST	5	0	TEXT('CUSTOMER NUMBER')
A	NAME	20		TEXT('CUSTOMER NAME')
A	ADDR1	20		TEXT('CUSTOMER ADDRESS')
A	ADDR2	20		TEXT('CUSTOMER ADDRESS')
A	CITY	20		TEXT('CUSTOMER CITY')
A	STATE	2		TEXT('CUSTOMER STATE')
A	ZIP	5	0	TEXT('CUSTOMER ZIP CODE')
A	ARBAL	10	2	TEXT('ACCOUNTS RECEIVABLE BALANCE')

Figure 169. DDS for master database file CUSMST (physical file)

Main Menu	Inquiry
	The	following	illustrates a		simple inquiry program using a WORKSTN file to
	menu choices		and	accept	input.
MAINMENU:	DDS for a	Display Device		File

The DDS for the MAINMENU display device file specifies file level entr describe one record format: HDRSCN. The file level entries define the (DSPSIZ), input defaults (CHGINPDFT), print key (PRINT), and a separate in area (INDARA).

The

HDRSCN

record

format

contains

the

constant 'CUSTOMER

MAIN

INQUIRY',

which

identifies

the display.

It also

contains

the

keywords

TIME

and

will

display the current time and date

on the

screen.

The

CA keywords

function

keys that

can

be used and

associate

the

function

keys

with

the

RPG

program.

346 ILE RPG for AS/400 Programmer's Guide