Component Composition in Lightning Aura Components let you build more efficient applications and components. Component composition happens when you nest one or more components in another component. To build a…
There are some use cases where you need to display List - an aura:attribute collection type as picklist in Lightning Component to display array of items. A list is an…
It is possible to add and remove styles on Lightning components or element during runtime. To retrieve the class name on a component, use component.find('myCmpId').get('v.class'), where myCmpId is the aura:id attribute value and the class…
Lightning custom Application events follow a traditional publish-subscribe model. They allow communication between components that are in separate parts of the application and have no direct containment relationship . When…
In Lightning framework there is need to create, fire and handle component event because the model uses events to communicate data between components. Events are usually triggered by a user…
Custom Controller Testing Visualforce custom controller is required because custom controllers like all Apex codes, should be covered by unit tests. A custom controller is an Apex class that implements all of the logic…
Introduction A many-to-many relationship allows each record of one object to be linked to multiple records from another object and vice versa. For example, you create a custom object that…
In Salesforce creating My Domain is actually creating a subdomain within the Salesforce domain. My Domain showcases your company's brand and keep your data more secure by adding a custom…
Controller Extension A controller extension is an Apex class that extends the functionality of a standard or custom controller. The class constructor takes a single argument of type ApexPages.StandardController or…
Aggregate functions in Salesforce Object Query Language (SOQL)), allow you to roll up and summarize your data in a query. These functions include AVG(), COUNT(), COUNT(fieldName), COUNT_DISTINCT(), MIN(), MAX(), and SUM(). It is possible…