Ejemplo de código c # httpclient post json

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Ejemplo 1: c # httpclient post json stringcontent

privatestaticasyncTaskPostBasicAsync(object content,CancellationToken cancellationToken)using(var client =newHttpClient())using(var request =newHttpRequestMessage(HttpMethod.Post,Url))var json =JsonConvert.SerializeObject(content);using(var stringContent =newStringContent(json,Encoding.UTF8,"application/json"))
            request.Content= stringContent;using(var response =await client
                .SendAsync(request,HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false))
                response.EnsureSuccessStatusCode();

Ejemplo 2: httpclient post c # json

var httpClient =newHttpClient();var json =JsonConvert.SerializeObject(ticket);var content =newStringContent(json,Encoding.UTF8,"application/json");await httpClient.PostAsync("https://address.com", content);

Ejemplo 3: ejemplo HttpClient c # Post

//Base code from: http://zetcode.com/csharp/httpclient/publicasync string Example()//The data that needs to be sent. Any object works.var pocoObject =newName="John Doe",Occupation="gardener";//Converting the object to a json string. NOTE: Make sure the object doesn't contain circular references.
	string json =JsonConvert.SerializeObject(pocoObject);//Needed to setup the body of the requestStringContent data =newStringContent(json,Encoding.UTF8,"application/json");//The url to post to.var url ="https://httpbin.org/post";var client =newHttpClient();//Pass in the full URL and the json string contentvar response =await client.PostAsync(url, data);//It would be better to make sure this request actually made it through
	string result =await response.Content.ReadAsStringAsync();//close out the client
  	client.Dispose();return result;

Ejemplo 4: solicitud POST de C # HttpClient

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

namespace HttpClientPostclassPersonpublic string Name get; set;public string Occupation get; set;public override string ToString()return $"Name: Occupation";classProgramstaticasyncTaskMain(string[] args)var person =newPerson();
            person.Name="John Doe";
            person.Occupation="gardener";var json =JsonConvert.SerializeObject(person);var data =newStringContent(json,Encoding.UTF8,"application/json");var url ="https://httpbin.org/post";
            using var client =newHttpClient();var response =await client.PostAsync(url, data);

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

Ejemplo 5: c # .net 3.5 post json httpclient

System.Net.WebClient client =newSystem.Net.WebClient();
 client.Headers.Add("content-type","application/json");//set your header here, you can add multiple headers
 string s =Encoding.ASCII.GetString(client.UploadData("http://localhost:1111/Service.svc/SignIn","POST",Encoding.Default.GetBytes(""EmailId": "[email protected]","Password": "pass#123"")));

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