Slaesforce FAQ

how to remember selected data in lightning component in salesforce

by Ophelia Bergnaum DDS Published 2 years ago Updated 2 years ago
image

You can directly do it by adding a Standard home page component in Lightning Experience named Recent Records or Recent Items. Click on setup and select edit page and from the standard component list add it to page and save it. Recent Record will show you only 5 records at a time.

Full Answer

How to create a lightning application in Salesforce?

To begin the code we need to log in to the Salesforce org in lightning experience mode and then click on the Gear icon on the right side top corner and click on developer console. Once the developer console opens, we first need to create a Lightning Application.

How to support multiple selection in a dropdown list in Lightning?

Multiple selection is currently not supported. To support multiple selection, use lightning:dualListbox instead. This component inherits styling from select in the Lightning Design System. You can define a client-side controller action to handle various input events on the dropdown list.

What is the Lightning web component equivalent for lightning select?

The Lightning web component equivalent for lightning:select is lightning-combobox. For more information, see the lightning-combobox documentation. The onchange event is triggered only when a user selects a value on the dropdown list with a mouse click, which is expected behavior of the HTML select element.

How to create a client side controller in Salesforce lightning experience?

A client side controller and helper to interact with the component at client side. To begin the code we need to log in to the Salesforce org in lightning experience mode and then click on the Gear icon on the right side top corner and click on developer console.

image

How do you get selected records from lightning Datatable?

Create a button to get selected records.Code :Step 1: Here we will create an Apex Class for fetching account records. ... DataController.cls :Step 2: in this step, We will create an LWC component in which we create Lightning Datatable with checkboxes.SelectedRowsLWC.Html :SelectedRowsLWC.Js :

How do you deselect rows in Datatable LWC?

querySelector('lightning-datatable'). maxRowSelection=5; This will clear all row selections for you.

How do I get LWC object records?

How to use getRecord in LWCImport the named imports getRecord() and getFieldValue() from the package lightning/uiRecordApi .Import the reference to the fields that we wish to display back to the users.Wire the output of the out of the box method getRecord() to the property account.More items...•

How do you get the record in lightning component?

Now we can add this lightning component on account detail page.Go to Account tab.Open any record.Click Setup (Gear Icon) and select Edit Page.Under Custom Components, find your CurrentrecordIdExample component and drag it on record page.Click Save and activate.

How do you fetch and display list records in lightning component?

To display a record using lightning:recordForm , provide the record ID and the object API name. Additionally, provide fields using either the fields or layoutType attribute. You can display a record in two modes using the mode attribute. Loads the form using output fields with inline editing enabled.

What is @wire in LWC?

Lightning web components(LWC) use a reactive wire service, which is built on Lightning Data Service. Components use @wire in their JavaScript class to read data from one of the wire adapters in the lightning/ui*Api modules and also to call the apex controller server-side methods using wire services.

What is lightning select?

A lightning:select component creates an HTML select element. This component uses HTML option elements to create options in the dropdown list, enabling you to select a single option from the list. Multiple selection is currently not supported. To support multiple selection, use lightning:dualListbox instead.

Why do you need a text label?

You must provide a text label for accessibility to make the information available to assistive technology. The label attribute creates an HTML label element for your input component. To hide a label from view and make it available to assistive technology, use the label-hidden variant.

image

Generating Options with aura:iteration

  • You can use aura:iterationto iterate over a list of items to generate options. This example iterates over a list of items.
See more on developer.salesforce.com

Generating Options on Initialization

  • Use an attribute to store and set the array of option value on the component. The following component calls the client-side controller to create options during component initialization. In your client-side controller, define an array of options and assign this array to the itemsattribute. In cases where you're providing a new array of options on the component, you might encounter a r…
See more on developer.salesforce.com

Input Validation

  • Client-side input validation is available for this component. Set required="true" to make the dropdown menu a required field. If you interact with the menu without making a selection, an error message "Complete this field" is displayed on blur. To override the default message, provide your own value with the messageWhenValueMissingattribute. If you...
See more on developer.salesforce.com

Usage Considerations

  • The Lightning web component equivalent for lightning:select is lightning-combobox. For more information, see the lightning-comboboxdocumentation. The onchange event is triggered only when a user selects a value on the dropdown list with a mouse click, which is expected behavior of the HTML select element. Programmatic changes to the value attribute don't trigger this even…
See more on developer.salesforce.com

Accessibility

  • You must provide a text label for accessibility to make the information available to assistive technology. The label attribute creates an HTML label element for your input component. To hide a label from view and make it available to assistive technology, use the label-hiddenvariant.
See more on developer.salesforce.com

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9