multipartformClient c#

multipartformClient.cs

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

string path = @"c:\temp\MyTest.txt";
await using FileStream fileStream = File.OpenRead(path);
var httpClient = new HttpClient();
var formData = new MultipartFormDataContent();
using var streamContent = new StreamContent(fileStream);
using var fileContent = new ByteArrayContent(await streamContent.ReadAsByteArrayAsync());
fileContent.Headers.ContentType = MediaTypeHeaderValue.Parse("multipart/form-data");
formData.Add(fileContent, "file", Path.GetFileName(path));
var response = await httpClient.PostAsync("https://localhost:5001/FileUpload/UploadLargeFile", formData);
if (response.IsSuccessStatusCode)
{
    Console.WriteLine("Succes");
}
else
{
    Console.WriteLine("No Succes");
    throw new WebException($"The remote server returned unexpected status code: {response.StatusCode} - {response.ReasonPhrase}.");
}
Console.ReadLine();