In C#, What Is The Method To Define The Content-Type Header In An HttpClient Request?

In C#, you can set the Content-Type header for an HttpClient request by setting the MediaTypeHeaderValue of the HttpClient.DefaultRequestHeaders property. Here’s an example:

using System;
using System.Net.Http;
using System.Net.Http.Headers;

class Program
{
    static void Main()
    {
        HttpClient client = new HttpClient();

        // Set the Content-Type header to application/json
        client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));

        // Make the HTTP request
        HttpResponseMessage response = client.GetAsync("https://api.example.com").Result;

        // Get the response content
        string content = response.Content.ReadAsStringAsync().Result;
        Console.WriteLine(content);
        Console.ReadLine();
    }
}

In the above example, we set the Content-Type header to application/json by adding a MediaTypeWithQualityHeaderValue instance to the HttpClient.DefaultRequestHeaders.Accept collection. You can replace "application/json" with the desired media type for your request.

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