Visualforce Development Cookbook - Second Edition

Reacting to URL parameters

The URL parameters are used to pass information to Visualforce pages that the page or controller can then react to. For example, setting a record ID parameter into the URL for a page that uses a standard controller causes the controller to retrieve the record from the database and make it available to the page.

In this recipe, we will create a Visualforce search page to retrieve all accounts where the name contains a string entered by the user. If the parameter name is present in the page URL, a search will be run against the supplied value prior to the page being rendered for the first time.

Getting ready

This recipe makes use of a custom controller, so this will need to be created before the Visualforce page.

How to do ...