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Introduction to Device Files

Duration

3 hours

Overview

The Introduction to Device Files course introduces display files and printer files. It explains how to define and create them.

Audience

Personnel requiring an introduction to iSeries programming

Prerequisites

Completion of the courses Introduction to Programming the iSeries Part 1, Part 2, and Part 3, and knowledge of data processing, programming concepts, and the iSeries operating system

Objectives

    After completing this course, the student will be able to identify:
  • Fields and records on a display file
  • DDS entries used to create display files
  • Commonly used keywords for display files
  • How printer file records are used to create business reports
  • The DDS used to create a report heading record
  • The DDS used to create report detail and total records

Course Content

Introduction to Display Files

Fields in Display Device Files
Records in Display Device Files

Introduction to DDS for Display Files

DDS Used to Create Display Files
DDS for an Example Screen

Introduction to Display File Keywords

Commonly Used Keywords in Display Device Files
Field Level Keywords
Record Level Keywords
Creating the Display File

Introduction to Printer Files

Using Printer File Records to Produce Simple Reports
Printer Files
Printer Devices
Standard Report Format
Report Creation
Printer File Format

Introduction to DDS for Printer Files

DDS Used to Create a Simple Report Heading
Defining a Printer File
Report Creation
DDS for Printer Files
An Example Report and Its DDS

Completing and Creating the Printer File

DDS Used to Create Report Details and Totals
The Command to Create the Printer File Object

Introduction to Device Files Mastery Test

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