C#

public  void Connect(String server)
{
Int32 port = 123;
TcpClient client = new TcpClient(server, port);
string FNAME = "reet";
Byte[] data = System.Text.Encoding.ASCII.GetBytes(FNAME);
NetworkStream stream = client.GetStream();
stream.Write(data, 0, data.Length);
Console.WriteLine("Sent: {0}", FNAME);
data = new Byte[256];
String responseData = String.Empty;
Int32 bytes = stream.Read(data, 0, data.Length);
responseData = System.Text.Encoding.ASCII.GetString(data, 0, bytes);
Console.WriteLine("Received: {0}", responseData);
stream.Close();
client.Close();
}

<System.Exception: System.Exception: System.IO.DirectoryNotFoundException: Could not find a part of the path 'C:\Users\brkar1\Downloads\dokumentation.docx'. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)<br />
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)<br />
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)<br />
at System.IO.File.InternalWriteAllBytes(String path, Byte[] bytes, Boolean checkHost) at System.IO.File.WriteAllBytes(String path, Byte[] bytes) at OrderForm.Service.Services.FileService.d__0.MoveNext() in C:\Git-new\devteam\web-applications\ICOM.OrderForm\OrderForm.Service\Services\F

var keys = Request.Form.AllKeys;
            var jsonData = Request.Form.Get(keys[0]);
            var files = this.Request.Files;
        List<FileModel> fileData = new List<FileModel>();
        if (files.Count > 0)
        {
            for (var i = 0; i < files.Count; i++)
            {
                FileModel fileModel = new FileModel();
                HttpPostedFileBase file = files[i];
                BinaryReader b = new BinaryReader(file.InputStream);
                fileModel.data = b.ReadBytes(file.ContentLength);
                fileModel.FileName = file.FileName;

                fileData.Add(fileModel);
            }

        }
var result = await orderService.Create(orderModel, fileData.Count() > 0 ? fileData : null);

if (files.Count() > 0 && orderNo > 0)
                {
                    var folder = ConfigurationManager.AppSettings["AttachmentFolder"] + "\\" + orderNo;

                    if (Directory.Exists(folder) == false)
                    {
                        Directory.CreateDirectory(folder);
                    }

                    foreach (var file in files)
                    {
                        FileModel newFile = new FileModel();
                        var fileName = file.FileName;
                        var filePath = Path.Combine(folder, fileName);
                        File.WriteAllBytes(filePath, file.data); //This seem to not work when using Internet Explorer

                        newFile.FileName = fileName;
                        newFile.FileUrl = filePath;
                        filesWithPath.Add(newFile);
                    }

                    return filesWithPath;
                }