Field Sets in Salesforce

Description:

• A field set is a grouping of fields. Field sets can be referenced onVisualforce pages dynamically.
•  If the page is added to a managed package, administrators can add, remove, or reorder fields in a field set to modify the fields presented on the Visualforce page without modifying any code.
• We can use dynamic bindings to display field sets on our Visualforce pages.
• Fieldset is very useful when we are working with managed package.
• Field sets are available for visualforce pages on API version of 21.0 or above. You can have up to 50 field sets referenced on a single page.

Example:

Step 1: Create Field set in Opportunity Object.

Setup->Customize->Opportunity->Field Sets

Step 2: Drag and Drop the fields required for the Field Set

Step 3:Create records in opportunity Object

Step 4: Create Visual Force Page

https://c.ap1.visual.force.com/apex/FieldSetExample

Visual Force Name: FieldSetExample

Step 5: Write the Controller for the VisualForce Page

Apex Class: OpportunityFieldSetController

Step 6: Output

Interview Questions:

• Explain Field Sets in Salesforce?
• Can Field Sets used in both Standard and Custom objects?