Assuming your lightning:inputField tag has the aura:id of firstNameField, for example, you'd get its value with: var firstName = component.find ("firstNameField").get ("v.value"); In your second example, in your find call, you are using an uppercase A, whereas in your code the aura:id has a lowercase a:
Full Answer
How do you display field values in lightning component?
Use the lightning-output-field component in lightning-record-view-form to display the value of a record field on a Salesforce object. Use the field-name attribute to specify the API field name.
How do I find field values in Salesforce?
To get the value of a record's field, you can use the getRecord wire adapter, which returns the property record. data. fields. fieldName.
How do you fetch field value in LWC?
If you intend to use these (or other) field values directly in the LWC, it probably makes sense to use getRecord/getFieldValue. If you are only fetching the values to use in the Apex Controller, it is probably simpler to just pass the recordId to your controller and query there.
How do you use the input field in a lightning component?
Use the lightning:inputField component in lightning:recordEditForm to display and edit the value of a record field on a Salesforce object. Use the fieldName attribute to specify the API field name....A name compound field on records includes these constituent fields:FirstName.MiddleName.LastName.Salutation.Suffix.
How do I query a lookup field in Salesforce?
Go into your setup->customize_opportunity->fields scren and click on the name of the field that is the lookup. On that field detail screen, you will see a field named "Child Relationship Name". This is the name you need to append __r to and use in your query.
How do lookup fields work Salesforce?
In Salesforce, lookup fields allow users to associate two records together in a relationship. For example, a user can associate a contact record to an account record using the Account Name lookup field. When users edit a lookup field, they need to find the right record to associate.
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.
How do I get element by ID in LWC?
“get element by id in lwc” Code Answerlet firstClass = this. template. querySelector(".first-class");let secondClasses = firstClass. querySelectorAll(".second-class");secondClasses[2]. value = 'Some Value';
How do you get value from input in Aura component?
To get the value of the input field directly you could try adding the aura:id="someId" attribute to the
What is the difference between lightning input and lightning input field?
lightning:input is to represent interactive controls that accept user input depending on the type attribute. lightning:inputField is to represent an editable input for a field on a Salesforce object.
How do you make the input field required in lightning component dynamically?
To persist requiredness on a field, select the Required checkbox when defining the custom field in Setup. A required field is displayed with a red asterisk next to the field label. An error message is displayed below a required field if you try to submit the form before entering a value.