Packt+ | Advance your knowledge in tech

You're reading from Visualforce Development Cookbook For developers who already know the basics of Visualforce, this book enables you to advance to the next level. With over 75 real-world examples accompanied by stacks of illustrations, it clarifies even the most complex concepts.

Product type Paperback

Published in Sep 2013

Publisher Packt

ISBN-13 9781782170808

Length 334 pages

Edition 1st Edition

Languages

Apex

Tools

Force.com

Concepts

Cloud Computing

Author (1):

Keir Bowden

View More author details

Table of Contents (16) Chapters

Visualforce Development Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

1. General Utilities

2. Custom Components FREE CHAPTER

3. Capturing Data Using Forms

4. Managing Records

5. Managing Multiple Records

6. Visualforce Charts

7. JavaScript

8. Force.com Sites

9. jQuery Mobile

Index

Client-side validation

Carrying out validation in the browser when a user submits a form is a technique that has been popular for a number of years. The user is given immediate feedback rather than having to wait for a round trip to the server, and bandwidth is saved by not submitting the form if there are issues.

In this recipe we will create a Visualforce page that allows a user to create a contact record. When the user clicks on Save, client-side validation will take place to ensure that one of the e-mail address or phone number fields has been populated before submitting the form.

Getting ready

This recipe uses the jQuery (http://jquery.com/) JavaScript framework to swap the buttons. The JavaScript file is included from the Google Hosted Libraries content delivery network rather than being uploaded as a Salesforce static resource, as this makes it straightforward to move to new versions simply by changing the URL of the included file.

This recipe also uses the jQuery Validation plugin to...

The rest of the chapter is locked

Tech Concepts

Programming languages

Tech Tools

Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.

Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.

50+ new titles added per month and exclusive early access to books as they are being written.

A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.

Unlock this book and the full library FREE for 7 days

Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of

Start free trial

Renews at €18.99/month. Cancel anytime

Authors (1)

Keir Bowden

Keir Bowden is a 30-year veteran of the IT industry from the United Kingdom. After spending the early part of his career in the defence industry, he moved into investment banking systems, implementing systems for Banque Nationale de Paris, CitiGroup, and Deutsche Bank. In the late 1990s, Keir moved into Internet technologies, leading to a development of the order management and payment handling systems of one of the first European Internet shopping sites. Keir started working with Force.com in late 2008 and has been recognized multiple times by Salesforce as an MVP for his contribution and leadership in the community. In 2012, he became the first certified technical architect outside of Salesforce in EMEA, and he has served as a judge on several EMEA Technical Architect Certification Review Boards. Keir is also a prominent blogger on Apex, Visualforce and Lightning Components solutions; and a regular speaker at events such as Dreamforce, Cloud World Forum, and Salesforce World Tour. Keir is a chief technical officer of BrightGena—a Salesforce.com Platinum Cloud Alliance Partner in the United Kingdom, where he is responsible for the present and future technical strategies. Keir acted as a technical reviewer for the CRM Admin Cookbook before accepting the challenge of authoring this book, which also happens to be his first.

See other products by Keir Bowden