Let’s say you coded a custom view or report using Visualforce/Apex and you want to give the user control over the reporting interval. One way to go would be a custom drop down menu. This example demonstrates how to create such a menu in Visualforce and tie the user’s selection to methods in the controller class (in this case, the reporting interval logic.)
(more…)

Visualforce is SFDC’s custom mark up language and represents the view in a Model-View-Controller software design pattern. Each Visualforce page is tied directly to a controller. These controllers, of course, manipulate the data in the model (database) and contain your application’s business rules.
Visualforce is made up of components (standard and custom.) These are architectural elements with occasional functional behaviors. Like HTML, there are tags such as tables, input and output fields, check boxes, buttons, custom drop downs, etc… (of course, you can also include good old HTML itself.) Let’s explore some of Visualforce’s standard components.
(more…)