How to access object values in Lightning component?

I want to render a table dynamically in lightning. I have a list of data of transaction (Custom object) and list of string which contains API name which data i want to render. I have created a child component and wrapped it in nested aura iteration to display the data. But I am unable to access the value.

How to create an instance of lightning workspaceapi?

In Lightning console apps, records open as workspace tabs and their related records open as subtabs. To access the methods, create an instance of the lightning:workspaceAPI component and assign an aura:id attribute to it.

How to insert new record using lightning component?

Try to put debugger and check where it was fail. Refer this link to insert record and display of Account using lightning component. A form must be created to insert a Contact with Last Name, Email and Phone No as input fields us lightning. You have to write save method in server side controller.

How to create custom form fields in Lightning?

To provide a custom layout for your form fields, use the lightning:recordEditForm component. Pass in the fields to lightning:inputField , which displays an input control based on the record field type. This example displays a form with two fields using a custom layout. Add this example component to an account record page.

How to read a JSON string in Lightning?

I have the following lightning web component to read a JSON string and display them in Contact record Details page. Please note that I am new to lighting web components and making a considerable amount of effort to learn.

How to create lightning record form in JavaScript?

How to get particular field value from JSON response?

If this helps kindly mark it as solved so that it may help others in future. use JSON.parse () to convert it into javascript object format if your are serializing while returning from controller and then you can access properties of it. If this helps kindly mark it as solved so that it may help others in future.

How to pass an object from a lightning component helper to an apex?

I don’t want to keep typing these common properties as parameters into methods, so I want to pass the Parameters object around. Therefore, I could like to use it as a parameter for an Apex controller method:

How does getobjectinfo work in Salesforce Lightning?

If a function is decorated with @wire, the results are returned in an object with a data property and an error property. To get metadata for a single object, use getObjectInfo. To work with multiple objects, use getObjectInfos. This example returns the record type Ids and the Id that matches the record type name “Special Account”.

What do you need to know about lightning DataTable?

A table that displays columns of data, formatted according to type. This component requires API version 41.0 and later. A lightning:datatable component displays tabular data where each column can be displayed based on the data type. For example, an email address is displayed as a hyperlink with the mailto: URL scheme by specifying the email type.

How does the Boolean function work in Lightning?

Passing in a boolean value to a column of text type displays the value as true or false. Each data type is associated with a base Lightning component. For example, the text type renders the associated data using a lightning:formattedText component.

Where to find checkboxes in lightning data table?

When the data table is rendered, each row displays a checkbox in the first column. The first row shows columns with the following data: Cloudhub, 20%, $25,000.00, [email protected], and (235) 223-5235.

How does get record data work in Lightning?

If the component is nested in a Lightning record page, which our component is, the Lightning page sets the value of recordId. The @wire decorator tells getRecord to get the values of the specified fields on the record with the specified $recordId.

How does the Lightning DataTable work in Salesforce?

A lightning:datatable component displays tabular data where each column can be displayed based on the data type. For example, an email address is displayed as a hyperlink with the mailto: URL scheme by specifying the email type. The default type is text. This component inherits styling from data tables in the Lightning Design System.

How does lightning display tabular data in Excel?

Are there fields that do not support lightning input field?

Fields that have a spanning relationship aren’t supported by lightning-input-field. The fields specified must be associated with only one object. A field such as Contact.Account.Ownership is a cross-object reference between the Contact object and the Account object, and can’t be displayed in the form.

Where to find field names in Salesforce Lightning?

Use the lightning-input-field component in lightning-record-edit-form to display and edit the value of a record field of a Salesforce object. Use the field-name attribute to specify the API field name. For standard and custom objects, find the field names in Lightning Experience from Setup > Object Manager > (object-name) > Fields & Relationships.

How to override display density in Lightning input field?

To override the display density of the parent form, use the variant attribute in lightning-input-field. When the parent form uses the compact density, you can reduce the whitespace between the label and field using the slds-form-element_1-col class on lightning-input-field.

How do I get the query string parameters in Lightning?

Using new URLSearchParams will return an instance of a class, not an object (or map). You can use this code to convert the key/pair values into an object. Then you can check the value on the object instead: Note, we use === ‘true’ since the url parameter will always be a type of string.

How to get the URL query string parameters?

I am trying to get the url query string parameters from current page and I have the following code:

How to create data binding between component values?

When you add a component in markup, you can use an expression to initialize attribute values in the component based on attribute values of the container component. There are two forms of expression syntax, which exhibit different behaviors for data binding between the components.

How to bind data to template in Salesforce Lightning?

The lightning-input field uses the onchange attribute to listen for a change to its value. When the value changes, the handleChange function in the JavaScript file executes. Notice that to bind the handleChange function to the template, we use the same syntax, {handleChange}

How does event handling work in Salesforce Lightning?

We talk about event handling in-depth in another topic, but notice in the JavaScript class that handleChange is passed an event object. The event object contains information about the change event. The component uses the event object to get the value that the user entered into the input field.

How to insert transactions using a lightning component?

I am looking to make a lightning component to insert my Transaction__c object records against all relevant Contracts pulled back requiring action. As it stands I am returning all of relevant contracts/Assets that need transactions inserting for that month looking like so:

Is there a way to add custom links to lightning?

The Rich Text Work arround works well, But navigates the link into next window, we need the link to open in Currrent Page next Tab. Would be great to have homepage custom links element into lightning. Unfortunately there is no workaround as formulas cannot be added to this rich text component.

How are change handlers used in Lightning aura?

The value attribute sets the component attribute that the change handler tracks. The action attribute sets the client-side controller action to invoke when the attribute value changes. A component can have multiple tags to detect changes to different attributes.

When to use whom attribute in Lightning aura?

In this case we’ve got an attribute named whom of type String. If no value is specified, it defaults to “world”. Though not a strict requirement, tags are usually the first things listed in a component’s markup, as it provides an easy way to read the component’s shape at a glance.

How to add an attribute to a component?

Attributes enable you to make components more dynamic. Use the tag to add an attribute to the component or app. Let’s look at the following sample, helloAttributes.app:

How to access object values in Lightning component?