Book Image

Effortless App Development with Oracle Visual Builder

By : Ankur Jain
Book Image

Effortless App Development with Oracle Visual Builder

By: Ankur Jain

Overview of this book

Organizations are moving their applications, data, and processes to the cloud to reduce application costs, effort, and maintenance. However, adopting new technology poses challenges for developers, solutions architects, and designers due to a lack of knowledge and appropriate practical training resources. This book helps you get to grips with Oracle Visual Builder (VB) and enables you to quickly develop web and mobile applications and deploy them to production without hassle. This book will provide you with a solid understanding of VB so that you can adopt it at a faster pace and start building applications right away. After working with real-time examples to learn about VB, you'll discover how to design, develop, and deploy web and mobile applications quickly. You'll cover all the VB components in-depth, including web and mobile application development, business objects, and service connections. In order to use all these components, you'll also explore best practices, security, and recommendations, which are well explained within the chapters. Finally, this book will help you gain the knowledge you need to enhance the performance of an application before deploying it to production. By the end of this book, you will be able to work independently and deploy your VB applications efficiently and with confidence.
Table of Contents (23 chapters)
1
Section 1: Exploring the Building Blocks of VB
5
Section 2: Working with Data and Services
10
Section 3: Building Web and Mobile Apps Using Various VB Components
15
Section 4: Security, Recommendations, Best Practices, and Troubleshooting

Creating dependent Lists Of Values

Dependent Lists of Values (LOVs) are when two or more LOVs are created, and the values of one LOV depend on the values of the other LOV. For example, the values of a State LOV may depend on the values of a Country LOV.

In this section, we'll create two LOVs using the Select (Single) component. In the first LOV, we'll populate email address using the Employee Business Object, and in the second LOV, we'll populate inventory name from the InventoryDetails Business Object.

The following are the steps to create dependent LOVs:

  1. Create a new web page with the Page ID main-dependent-lov under the chapter7 web application.
  2. Drag and drop the Select (Single) component on the new page and modify the Label Hint property to Employee.
  3. Go to the Quick Start tab from the properties palette of the Select (Single) component and select Add Options.
  4. From the Add Options dialog box, select the Employee Business Object, and click...