C# webclient post file

private async Task<System.IO.Stream> Upload(string actionUrl, string paramString, Stream paramFileStream, byte [] paramFileBytes)
{
    HttpContent stringContent = new StringContent(paramString);
    HttpContent fileStreamContent = new StreamContent(paramFileStream);
    HttpContent bytesContent = new ByteArrayContent(paramFileBytes);
    using (var client = new HttpClient())
    using (var formData = new MultipartFormDataContent())
    {
        formData.Add(stringContent, "param1", "param1");
        formData.Add(fileStreamContent, "file1", "file1");
        formData.Add(bytesContent, "file2", "file2");
        var response = await client.PostAsync(actionUrl, formData);
        if (!response.IsSuccessStatusCode)
        {
            return null;
        }
        return await response.Content.ReadAsStreamAsync();
    }
}

Source: stackoverflow.com

Similar codes

3 votes130 views1 answer
Unity desactivate collider
C#
2 votes88 views1 answer
Cursor visible unity
C#
0 vote84 views1 answer
C# check internet connection
C#
0 vote148 views1 answer
Visual studio pre build event not working
C#
0 vote181 views1 answer
Mysql restore backup from multiple files
C#
1 vote139 views1 answer
C# list to string one line
C#
0 vote123 views1 answer
C# foreach object in array json
C#
2 votes125 views1 answer
C# how to use inovke
C#
0 vote114 views1 answer
Orderby make sunday last day c#
C#
33 votes172 views2 answers
Unity mouse position to world
C#Unity