How to Display JSON Objects in a Table Format Using Angular

Learn how to efficiently extract and display `JSON objects` from a response in Angular by creating a user-friendly table.
---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to take JSON objects one by one from response object and display in table in Angular?

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Display JSON Objects in a Table Format Using Angular

Fetching JSON data and displaying it effectively in an Angular application is a common requirement for developers. Understanding how to retrieve JSON objects from a response, iterate through them, and present the data in a structured format can greatly improve user experience. In this guide, we’ll break down the process of taking JSON objects from a response object and displaying them one by one in a table format.

Problem Explanation

In a recent application built with Angular, the need arose to display a list of users fetched from a Java backend application. The data comes in the form of a JSON array, which needs to be parsed and presented on an HTML page. This challenge involves both TypeScript to handle the data logic and HTML for the user interface.

Sample JSON Response

An example of the JSON response received might look something like this:

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

Step-by-Step Solution

We will walk through the code for both the TypeScript and HTML components required to achieve this functionality.

1. TypeScript Component

The TypeScript code is responsible for fetching the JSON data using Angular's HttpClient. Here's how to set it up:

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

Explanation of the Code

Import Statements: Necessary Angular modules are imported.

Component Decorator: Defines the component metadata.

Class Variables: Initializes variables to hold user information and fetched data.

Constructor: Injects necessary services.

ngOnInit Method: Fetches user data from the backend when the component initializes, storing it in the data variable for later use.

2. HTML Template

Next, we will utilize the fetched data within the HTML component to create a user-friendly table format:

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

Explanation of the HTML Code

Table Structure: Defines a table with headers for "User Id" and "Lastname".

Additional Tips

Error Handling: Always consider adding error handling for your HTTP requests to manage scenarios where the backend might not respond as expected.

Styling: Use CSS to style your tables for better presentation. Make sure the table is responsive and user-friendly.

Local Storage: Ensure that the session data is safely stored and retrieved from local storage to avoid any potential issues.

Conclusion

Displaying JSON objects in a table format in Angular is straightforward with the proper setup. By following the code provided in this guide, you can effectively retrieve user data from your backend service and display it dynamically in your application. This enhances the application's interactivity and provides a clean user interface.

Now, you're equipped with the knowledge to extract JSON data and present it in an organized format using Angular. Happy coding!