How to change a field in Lightning component?

How to change a field in Lightning component?

I have created a lightning component with lightning record edit form and a couple of fields. Wrote a Javascript method such that When I change the first field to a particular value then second field is updated. Below is my code.

Is there a name for lightning input in HTML?

There is no property ‘name’ on lightning-input like on standard HTML input. You should use ‘data-id’ instead. The element is not a common element. It holds its (inactive) DOM content inside a Document Fragment that you can access through the content property.

How to create lightning input tag in Salesforce?

In Salesforce when you are accessing a lightning input using the query selector first you have to search for lightning-input tag not the input tag. Secondly when you add a name attribute to the lightning-input that attribute is transfered to the input tag which is created when the lightning component is rendered.

How to overwrite user changes in Lightning inputfield?

…..The assumption is that there are unsaved changes that should not be overwritten. If you want to be able to overwrite user changes, you can use lightning:input instead …. I found a way around that. You can bind your inputField value to an aura:attribute, and then set the value of the aura:attribute.

How to dynamically access field values using lightning?

Then I wanted the Lightning Component to act on that field value. Searching goo g le, it appeared I would have to write an apex class to call an object.describe to get the object type, then perform a dynamic SOQL query to get the field value.

How is the field formatted in Salesforce Lightning?

The locale set in the Salesforce user preferences determines the formatting. The base components display the values: Alternatively, use the getFieldDisplayValue( record, field) wire adapter to display the formatted and localized value for a field.

When to use pre populate field values in Lightning?

Pre-populating fields would be a custom use case, and our doc gives general facts of how a recordEditForm works. FYI, my use case was pre-populating field values when laoding a recordForm as well. (more specifically, a lookup field, however text fields were also raised in the context of the case). You should be able to do this with an action.

Where do I find field names in Lightning?

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. Standard object fields are documented in Standard Objects.

What do you need to know about lightning inputfield?

lightning:inputField supports fields on objects that are UI API compliant. For supported objects, see the User Interface API Developer Guide. Fields that have a spanning relationship aren’t supported by lightning:inputField. The fields specified must be associated with only one object.

How to edit a field in Salesforce Lightning?

Represents an editable input for a field on a Salesforce object. 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.

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 to validate a quantity field in Lightning?

Search for an answer or ask a question of the zone or Customer Support. Need help? Dismiss Don’t have an account? Don’t have an account? The following won’t validate, but won’t pass the validation in this trail. Quantity field is howver using the correct field. Thoughts? Check that your Quantity field is using the Number data type in your org.

What do you need to know about Lightning components?

There’s a formattedNumber Lighting Component ( https://developer.salesforce.com/docs/component-library/bundle/lightning:formattedNumber/example ). That’s what we are looking for. Make sure you use that component. Hi Jeff, thanks for the response.