c# HttpClient to send requeste

// HttpClient is intended to be instantiated once per application, rather than per-use. See Remarks. static readonly HttpClient client = new HttpClient(); static async Task Main() { // Call asynchronous network methods in a try/catch block to handle exceptions. try { HttpResponseMessage response = await client.GetAsync("http://www.contoso.com/"); response.EnsureSuccessStatusCode(); string responseBody = await response.Content.ReadAsStringAsync(); // Above three lines can be replaced with new helper method below // string responseBody = await client.GetStringAsync(uri); Console.WriteLine(responseBody); } catch(HttpRequestException e) { Console.WriteLine("nException Caught!"); Console.WriteLine("Message :{0} ",e.Message); } }

C# HttpClient POST request

using System;
using System.Text;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace HttpClientPost
{
    class Person
    {
        public string Name { get; set; }
        public string Occupation { get; set; }

        public override string ToString()
        {
            return $"{Name}: {Occupation}";
        }
    }

    class Program
    {
        static async Task Main(string[] args)
        {
            var person = new Person();
            person.Name = "John Doe";
            person.Occupation = "gardener";

            var json = JsonConvert.SerializeObject(person);
            var data = new StringContent(json, Encoding.UTF8, "application/json");

            var url = "https://httpbin.org/post";
            using var client = new HttpClient();

            var response = await client.PostAsync(url, data);

            string result = response.Content.ReadAsStringAsync().Result;
            Console.WriteLine(result);
        }
    }
}

Posted by: Guest on December-10-2020

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