What is PageReference in Apex?

What is PageReference in Apex?

A PageReference is a reference to an instantiation of a page. Among other attributes, PageReferences consist of a URL and a set of query parameter names and values.

How can a developer refer to or instantiate a PageReference in Apex?

How can a developer refer to, or instantiate, a PageReference in Apex? A. By using a PageReference with a partial or full URL.

What is Apexpages StandardController?

StandardController objects reference the pre-built Visualforce controllers provided by Salesforce. The only time it is necessary to refer to a StandardController object is when defining an extension for a standard controller. StandardController is the data type of the single argument in the extension class constructor.

What is page reference in Salesforce?

PageReference is object in the salesforce, It is use to navigate the user to a different page or Url as the result of an action method. Example : public PageReference returnPage() { // Send the user to the detail page for the new account.

How do you use PageReference in lightning?

To navigate in Lightning Experience, Experience Builder sites, or the Salesforce mobile app, define a PageReference object. The pageReference type generates a unique URL format and defines attributes that apply to all pages of that type.

How do I get the current page ID in a VF page?

currentpage(). getparameters(). get(‘id’) can be used to get current record id or other url parameters in apex code. Many times we have requirement to get current record id or url parameters of visualforce page in apex code.

What is the proper process for an Apex unit test?

Write effective Unit tests

1. Use Test.startTest & Test.stopTest into each test method.
2. Use @isTest annotation for each method instead of using testMethod.
3. Develop cases for all scenarios if there are multiple if conditions.
4. Use System.
5. Always test your Class/Trigger for at least 200 records.

What is Apex facet?

: A placeholder for content that is rendered in a specific part of the parent component, such as the header or footer of an < apex:dataTable >. An < apex:facet > component can only exist in the body of a parent component if the parent supports facets.

What is recordSetVar in Salesforce?

The recordSetVar attribute indicates that the page uses a list controller and the variable name of the record collection. This variable can be used to access data in the record collection.

How do you use pageReference in lightning?

Can we use pageReference in lightning component?

What is NavigationMixin LWC?

The NavigationMixin adds two APIs to your component’s class. [NavigationMixin. Navigate](pageReference, [replace]) – A component calls this API to navigate to another page in the application. [NavigationMixin. GenerateUrl](pageReference) – A component calls this API to get a promise that resolves to the resulting URL.

When to use the pagereference class in apex?

Using the PageReference class can be extremely useful when needing to call apex methods on a visualforce page. It’s important to know that you can do a variety of things like updating,inserting,deleting records but lets cover the basics here. This is how you would do a page redirect:

How to access an apexpages ID in Visualforce?

To access id, the getAccount method uses the ApexPages namespace: · First the currentPage method returns the PageReference instance for the current page. PageReference returns a reference to a Visualforce page, including its query string parameters.

What does partialurl mean in apex pagereference?

For example, setting ‘partialURL’ to ‘/apex/HelloWorld’ refers to the Visualforce page located at http://mySalesforceInstance/apex/HelloWorld . Likewise, setting ‘partialURL’ to ‘/’ + ‘recordID’ refers to the detail page for the specified record.

How to get pagereference instance in Salesforce easy learn?

The getAccount method uses an embedded SOQL query to return the account specified by the id parameter in the URL of the page. To access id, the getAccount method uses the ApexPages namespace: · First the currentPage method returns the PageReference instance for the current page.