Audience

Oracle database administrators, system administrators, Developer/2000 application developers who are using Developer/2000 Forms for the first time, and experienced developers who are upgrading from a previous version or another GUI application development tool

Prerequisites

The courses Developer/2000 Forms: Fundamentals, Relational Principles, and the SQL*Plus and PL/SQL courses

Course Aim

To enable the student to create triggers to add functionality to a Developer/2000 Forms application

Learning Objectives

Explain how item interaction triggers can add functionality to Forms applications. Explain how validation and query control is carried out in the Forms environment. Describe how runtime control is established using navigation triggers and system messages.

Topics Covered

Item interaction - Writing trigger code - Forms variables - Item-level triggers Adding functionality to items - Writing item interaction triggers - Using built-in subprograms - Defining functionality - Detecting built-in failure - A sample WHEN- RADIO-CHANGED trigger Validation and query control - Validation triggers - Query triggers - A sample POST-QUERY trigger Runtime control - Controlling navigation - Navigation triggers - Mouse event triggers - System messages and alerts

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