Slaesforce FAQ

how to instantiate pagereference in salesforce

by Malvina Jacobi Published 2 years ago Updated 2 years ago
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Custom_Object__c obj = new Custom_Object__c (Name = 'Test'); insert obj; //Create a reference to the VF page PageReference pageRef = Page.MyVFPage; Test.setCurrentPageReference (pageRef); //Create an instance of the controller extension and call a method.

Full Answer

How do I instantiate a pagereference object for the current page?

You can also instantiate a PageReference object for the current page with the currentPage ApexPages method. For example: The following table is a non-exhaustive list of headers that are set on requests. The host name requested in the request URL. This header is always set on Lightning Platform Site requests and My Domain requests.

What is a pagereference in Salesforce?

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. Refers to a PageReference for a Visualforce page that has already been saved in your organization.

How to create a partial URL page reference in Salesforce Lightning?

PageReference pageRef = new PageReference('partialURL'); Creates a PageReference to any page that is hosted on the Lightning platform. For example, setting 'partialURL' to '/apex/HelloWorld' refers to the Visualforce page located at http://mySalesforceInstance/apex/HelloWorld.

How do I get the account of a page in Salesforce?

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.

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How do I use PageReference in Salesforce?

PageReference returns a reference to a Visualforce page, including its query string parameters. Using the page reference, use the getParameters method to return a map of the specified query string parameter names and values. Then a call to the get method specifying id returns the value of the id parameter itself.

How can you invoke a standard list controller?

Using a Standard List Controller, create a Visualforce that displays a list of Accounts with links to their respective record detail pages....Your ChallengeUse the var attribute set to a.Use the

  • HTML list tag.Use the apex:outputLink component to link to the respective record detail page.

    How do I find the current page ID in Salesforce?

    currentpage(). getparameters(). get('id') for visualforce page's id.

    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 the difference between standard controller and standard list controller?

    Standard controller encapsulates just a single Sobject (e.g. Account, Opportunity). Standard list controller contains a list of records (one or more), and has additional functions to facilicate paging (moving between pages) and updating a number of records at once.

    Can we use standard controller and custom controller together?

    See below syntax to define extension. We can use Stnadard controller/ Custom Controller and extensions at a time. But we cannot use Standard controller & Custom controller at a time.

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

    Get Current Page URL'getHeaders()' : It return a map of the request headers. ... 'getUrl()' : It returns the relative URL associated with the PageReference when it was originally defined, including any query string parameters and anchors.Apex Code : public with sharing class pageurlclass{ /** * Webkul Software.More items...

    How do I get current page record ID in flow Salesforce?

    We'll walk through the steps of being able to access the recordId in the flow.Create A Variable In Your Flow To Store The Record Id. Let's create a variable called recordId, we will then assign the Id of the current record to this variable so it can be used in our flow. ... Edit The Lightning Page That The Flow Is On.

    What is Apex Param?

    tag is used to pass values from JavaScript to an Apex controller,it can only be used with the folloing parent tags.

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

    3. 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 StandardController in Salesforce?

    Standard Controller in Salesforce provides the ability to access and interact with structures business data contained in records and displays the data in the proper user Interface. StandardController attribute must be used on tag.

    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.

    Request Headers

    The following table is a non-exhaustive list of headers that are set on requests.

    Example: Retrieving Query String Parameters

    The following example shows how to use a PageReference object to retrieve a query string parameter in the current page URL. In this example, the getAccount method references the id query string parameter:

    Example: Navigating to a New Page as the Result of an Action Method

    Any action method in a custom controller or controller extension can return a PageReference object as the result of the method. If the redirect attribute on the PageReference is set to true, the user navigates to the URL specified by the PageReference.

    Example: Redirect Users to a Replacement Experience Cloud Site

    The following example shows how to redirect a user attempting to access a retired feedback site to a self-service help site. If the redirect attribute is set to true on the PageReference for the feedback site, the user navigates to the URL specified by the PageReference.

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