Course Description (By Curriculum)
3 to 5 hours
Personnel requiring knowledge of RPG Interactive Programming in a Green-Screen Environment
Knowledge of data processing, programming concepts, and the iSeries operating system
After completing this course, the student will be able to:
• Define the concepts and programming requirements of Display Device Files
• Identify how to code a simple interactive RPG program
• Identify how to create an RPG program
Review Display Files
Data Definition Specifications for Display Files
“Hello World” Program
Screen Layout
Reading the Screen
DDS Coding for Multiple Screens
Coding a Maintenance Program
Subroutines
Database File Access for Input, Update and Delete
Executing the Routines (Writing to the Screen and User Input)
Writing the Record to the File
Avoiding a Program Bug
Control and File Logic Associated with Updating and Deleting a Database Record
Detail the End of Run Processes When the LR Indicator Is ON
