What is PageReference method in Salesforce?
Table of Contents
What is PageReference method 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. PageReference acctPage = new ApexPages.StandardController(account).view();
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.
How do I find the current page ID in Salesforce?
currentpage(). getparameters(). get(‘id’) for visualforce page’s id.
What is a controller extension in Salesforce?
A controller extension is an Apex class that extends the functionality of a standard or custom controller. Use controller extensions when: You want to leverage the built-in functionality of a standard controller but override one or more actions, such as edit, view, save, or delete.
How do I redirect from one Visualforce page to another?
Hi suraj,
- Step 1: Create a Visualforce page called SamplePage1….
- Step2: Create a Visualforce page called SamplePage2.
- Step 3: On SamplePage1 Click on the ” Click Here” link. You will see that when you click on the link you will navigate to the SamplePage2. Check the URL now..
- public Pagereference gotonewpage() {
What is custom list controller in Salesforce?
A custom list controller is similar to a standard list controller. Custom list controllers can implement Apex logic that you define to show or act on a set of records. The list of sObjects returned by getRecords() is immutable. For example, you can’t call clear() on it.
What is Visualforce page in Salesforce?
Visualforce pages are webpages that belong to Salesforce. These webpages are created using a unique tag-based Mark-up language. It is similar to HTML but it’s primary use is to access, display and update the organization’s data. The page is accessed by using a URL similar to that of a traditional webserver page.
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.
What is difference between controller and extension?
A controller extension is an Apex class that extends the functionality of a standard or custom controller. Use controller extensions when:You want to leverage the built-in functionality of a standard controller but override one or more actions, such as edit, view, save, or delete. You want to add new actions.
How many types of controllers are there in Salesforce?
There are basically two types of Controller in Visualforce page.
Can I pass parameters from VF page to Apex method?
The answer to this question is, yes, we can pass values from VF page to APEX controller.
How do I redirect a page in Salesforce?
To assign a redirect to a site page:
- On the Overview tab, click Site Configuration | URL Redirects.
- Click Create a Redirect.
- Specify the Redirect type : Option.
- Specify the former page location in the Redirect from field.
- To immediately enable the redirection rule, ensure Active is selected.
- Click Save.
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.
What is difference between controller and extension in Salesforce?
A controller extension is an Apex class that extends the functionality of a standard or custom controller. Use controller extensions when:You want to leverage the built-in functionality of a standard controller but override one or more actions, such as edit, view, save, or delete.
What is difference between aura and LWC?
Aura and LWC can be able to communicate using Public API’s and Events. LWC can be embedded inside Aura Components, but Aura Components cannot be embedded inside LWC.
What is Apex and Visualforce?
Apex code can be initiated by Web service requests and from triggers on objects. Visualforce is a framework that allows developers to build sophisticated, custom user interfaces that can be hosted natively on the Lightning Platform.
What is Apex controller in Salesforce?
A custom controller is an Apex class that is used to execute the logic of a page without the need of a standard controller. To completely run Visualforce pages in system mode, we must utilize custom controllers.
What is difference between standard controller and custom controller?
There are number of standard controllers exists for each Salesforce object which provides the functionality similar to custom controller. A custom controller is the user defined an Apex class that implements all of the logic for a page without leveraging a standard controller.
