The Interactive Programming with RPG IV workshop presents RPG IV concepts specifically for interactive display applications. The material in this workshop will cover basic display file interaction, as well as subfiles, from start to finish.
Recommended schedule: 4 day lab workshop
Who Should Attend This class is appropriate for existing RPG IV programmers who need to build interactive applications that use DDS-defined display files and subfiles.
Prerequisites To successfully complete this course, students should have completed the following courses, or have equivalent knowledge/experience:
IBM i Concepts and Programming Tools
Introduction to RPG IV Programming
Previous knowledge of another computer language may be helpful.
What You Will Accomplish At the end of the course, students will be able to:
Use RPG IV operation codes that deal with interactive programming
Use externally described database files in a program
Understand, enter and edit Data Description Specifications (DDS) for display files
Use Screen Design Aid or WebSphere Development Studio Client to design a display
Build a menu
Understand database record locking issues
Pass parameters between programs in an application
Build a simple interactive application to perform file maintenance
Use a file information data structure
Understand the use and basic concepts associated with subfile programming
Use specialized DDS keywords and message files to report error messages
Use DDS windowing keywords to enhance displays
Understand the use and basic concepts of User Interface Manager (UIM)
