Learn how to manage `frontend only` Form.Items in Ant Design Forms, and suppress them before sending data to your backend API. Perfect for handling UI-only data fields!
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Managing Frontend Only Form.Items in an Ant Design Form

When building forms using Ant Design (antd) in React, you may encounter a scenario where you have fields that are only used for UI purposes and do not need to be sent to your backend API. This can raise an important question: How can we suppress these Form.Items before submitting the data?

In this guide, we'll explore effective strategies for managing Form.Items in antd, ensuring that only the relevant data is sent to your backend API while keeping your UI intact. Let's dive into the main approaches you can take!

The Problem

Imagine you have a form that includes fields for user inputs, such as Name and Age, but you only wish to send the Name field to your backend upon submission. The Age field, while displayed in the UI, is not necessary for your API call. This situation may arise when you want to include additional UI elements that serve no purpose in your data processing logic.

Solution Overview

There are a couple of straightforward solutions to handle this situation:

Omit the name prop from the Form.Item for UI-only fields.

Modify the values in the onFinish function before sending data.

Let’s explore each solution in detail.

1. Omit the Name Prop

The simplest way to prevent a Form.Item from being included in the submitted data is to simply omit the name prop from the Form.Item element for those fields. Here’s how you can implement this:

[[See Video to Reveal this Text or Code Snippet]]

Explanation:

The Form.Item for Name includes the name prop, which allows its value to be captured during submission.

The Form.Item for Age does not have a name prop, which means its value will not be included in the submitted form data.

2. Modify Values in the onFinish Function

Another way to ensure that only relevant data is submitted is by manipulating the data inside the onFinish function. This is particularly useful when you need to control what data gets sent based on certain conditions.

Here’s how you can do this:

[[See Video to Reveal this Text or Code Snippet]]

Explanation:

In this approach, you can destructure the values object to retrieve specific fields.

After filtering out unwanted fields, you prepare your data to be sent to the backend.

Conclusion

When working with forms in Ant Design, managing frontend only Form.Items can easily be achieved. By either omitting the name prop for UI-only fields or manipulating the submission data within the onFinish function, you can effectively control what data gets sent to your backend API.

This flexibility makes antd a powerful tool for building reactive forms in your applications. Choose the approach that best fits your requirements, and enjoy creating seamless user experiences!