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  1. 123

    To update data in a JSON file using Angular, you need to make an HTTP PUT request to the server. This example demonstrates how to achieve this using Angular's HttpClient module.

    Example

    • Install HttpClientModule: Ensure HttpClientModule is imported in your app.module.ts.

    import { HttpClientModule } from '@angular/common/http';

    @NgModule({
    imports: [
    HttpClientModule,
    // other imports
    ],
    })
    export class AppModule { }
    Copied!

    • Create a Service: Create a service to handle HTTP requests.

    import { Injectable } from '@angular/core';
    import { HttpClient } from '@angular/common/http';
    import { Observable } from 'rxjs';

    @Injectable({
    providedIn: 'root'
    })
    export class DataService {
    private apiUrl = 'http://localhost:3000/data'; // URL of your JSON server

    constructor(private http: HttpClient) { }

    updateData(id: number, data: any): Observable<any> {
    return this.http.put(`${this.apiUrl}/${id}`, data);
    }
    }
    Copied!

    • Component Integration: Use the service in your component to update data.

    Feedback
  2. ngmodules.org
    https://ngmodules.org › modules › angular-json-editor

    Angular JSON Editor: Step-by-Step Tutorial - Ngmodules

    Aug 1, 2023 · Get started with JSON Editor directives in Angular. This guide covers everything from basic setup to advanced configuration options.

  3. Stack Overflow
    https://stackoverflow.com › questions

    Update a single property of local JSON file using put call in Angular 8

    Dec 8, 2019 · You cannot change a file’s content using Angular. It is a file I/O operation that is handled by a backend framework/language (for example Node.JS) having file system API.

    • Reviews: 1
      How to add or edit to a client side json file from Angular?Aug 12, 2020
      angular - How can I add values to a json object dynamicallyJul 17, 2020
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