iSeries-AS/400 RPG Subfile Programming Training

iSeries-AS/400
RPG Subfile Programming

Course Code: ARG4

Description

iSeries-AS/400 RPG Subfile Programming is a self-paced, multimedia course providing comprehensive, practical training in the design and coding of subfile programs.

Upon completion you'll be able to:

Use Screen Design Aid to create and maintain display files that contain subfiles.

Create RPG subfile programs that allow users to scroll through selected data file records.

Create RPG subfile programs that allow users to fold and truncate records.

Create RPG programs that allow users to enter data into subfile records, use the DUP key, and update files.

Create RPG subfile programs that edit and verify user-entered data.

Create RPG programs that sort, initialize, clear, and delete subfiles.

Create RPG programs that use more than one subfile.

Create and use message subfiles that handle multiple messages.

Use techniques to improve subfile program performance.

Use variable-length subfiles.


Subfile Concepts Subfile Record Format (SFLRCD) Subfile Control Format (SFLCTL) Subfile Size (SFLSIZ) Subfile Page Size (SFLPAG) Data Description Specifications Positional and Keyword Notation Comment Lines File/Record/Field Hierarchy Program Development Manager (PDM) Screen Design Aid (SDA) Managing Subfile Data Reading Subfile Records READC and CHAIN FLNXTCHG Keyword Writing Subfile Records Managing Subfile Relative Record Numbers	Subfile Operations Displaying a Subfile Initializing a Subfile Clearing a Subfile Deleting a Subfile Handling Multiple Subfiles Scrolling Subfile Records Using OS/400 Controlled Scrolling SFLEND Keyword "Page Wise" Scrolling SFLRCDNBR Keyword Subfile Applications "Alpha Search" Inquiry Data Entry Subfiles Validity Checking On-Line Batch Totals	Message Subfiles SFLPGMQ and SFLMSGRCD Selecting Messages for Display SFLMSGKEY Subfile Techniques DUP Key Programming Sorting Subfile Records Removing Blank Subfile Records Updating Subfile Records Deleting Subfile Records Variable Length Subfile Records SFLDROP ¶ Subfile Drop SFLFOLD - Subfile Fold

Audience AS/400 programmers with experience in interactive RPG/400 programming. Prerequisites Workstation Operations System Operations RPG Programming Interactive RPG Programming	Format Self-Instructional Materials Fifteen Audio CDs Student Text Workbook Interactive Media	Time Required Approximately 15 Hours