read entire file and post to webserver in csharp

main.cs
using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

public static async Task PostFileToWebServer(string filePath, Uri uri)
{
    try
    {
        using (var client = new HttpClient())
        {
            using (var fileStream = File.OpenRead(filePath))
            {
                using (var content = new StreamContent(fileStream))
                {
                    var response = await client.PostAsync(uri, content);

                    if (response.IsSuccessStatusCode)
                    {
                        // File was successfully posted to web server
                    }
                    else
                    {
                        // Handle unsuccessful response
                    }
                }
            }
        }
    }
    catch (Exception ex)
    {
        // Handle exception
    }
}
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