What is render and rerender in Salesforce Lightning?
Explain Render and Rerender in Salesforce Lightning. How to use render and rerender in lightning component? This to rendered (ie., display) particular filed or section based on boolean value. In the controller you need to have get method to assign the value for this variable.
How to get the result of a render in Lightning?
Rerender in lightning: This is triggered due to anything change to the components.Need to call superRerender ()function.Generally, it does not return a value.It is triggered if anything is changed to the components just like button disable after clicked the button to show some results.
What is rendering service in ReactJS?
The framework’s rendering service takes in-memory component state and creates and manages the DOM elements owned by the component. If you want to modify DOM elements created by the framework for a component, you can modify the DOM elements in the component’s renderer.
What is render and ReRender in Salesforce?
Rendered-This attribute is used to display a particular filed or section based on boolean value. ReRender- This is to reload some fields, or sections after some operation. Advantage of it is that the whole page is not refreshed and only a portion(the one which is ReRendered) is refreshed.
What does ReRender mean?
To render again or anew(computing) To render again or anew. There was a slight delay while the program rerendered the image in its new perspective.
What is Pageblock in Salesforce?
An area of a page that uses styling similar to the appearance of a Salesforce detail page, but without any default content. This component supports HTML pass-through attributes using the "html-" prefix. Pass-through attributes are attached to the generated container
What is view state error in Salesforce?
If the size of a particular page exceeds 135kb, the page will throw a view state error. A screenshot showing a view state error in salesforce. To check the view state of a visual force page you have to make sure that Show View State in Development Mode checkbox in the User Layout is checked.
How do you ReRender a component?
React components automatically re-render whenever there is a change in their state or props. A simple update of the state, from anywhere in the code, causes all the User Interface (UI) elements to be re-rendered automatically. However, there may be cases where the render() method depends on some other data.
How do I ReRender pages in React?
Method 1: Refresh a Page Using JavaScript location. reload(false); This method takes an optional parameter which by default is set to false. If set to true, the browser will do a complete page refresh from the server and not from the cached version of the page.
What is the difference between pageBlockTable and dataTable?
apex:pageBlockTable represents a table formatted and styled to look like a related list table. apex:dataTable is an unstyled table suitable for use anywhere outside of a apex:pageBlock (but may be used within one).
What is Pageblocking table?
apex:pageBlockTable is used to display list of data as a table within either an apex:pageBlock or apex:pageBlockSection component similar to a related list or list view in a standard Salesforce page.
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 I get rid of view state error?
In order to reduce the view state, make use of the following:"Transient" keyword - to declare instance variables that can't be saved, and shouldn't be transmitted as part of the view state for a VF page. ... Minimize the number of forms i.e
How do I debug a view state error in salesforce?
Under your user profile, enable Development Mode and View State. Then, navigate to the page you're working on; it will be in the bottom section (the code editor). Thanks for the tip; that's the answer.
How do I view viewstate in salesforce?
View State TabFrom your personal settings, enter Advanced User Details in the Quick Find box, then select Advanced User Details. No results? ... Click Edit.Select the Development Mode checkbox if it isn't selected.Select the Show View State in Development Mode checkbox.Click Save.
chanchal kumar
This to rendered (ie., display) particular filed or section based on boolean value. In the controller you need to have get method to assign the value for this variable.
Anjali
Render in lightning :To override the base render ()function after component initialization,You need to call superRender ()function.It returns value (DOM or NULL).Anything needs to be changed during default rendering.
shariq
Create a Custom Renderer The framework’s rendering service takes in-memory component state and creates and manages the DOM elements owned by the component. If you want to modify DOM elements created by the framework for a component, you can modify the DOM elements in the component’s renderer.
Parul
rerender (): It allows the component to update themselves, when other component updates since they were last rendered. It doesn’t return any value. It automatically called when data is updated in the component. Call superRerender () to chain rerendering to the components in body attribute. Example:
