How to copy text file from webserver to another network server

string filePath = "Test_File.txt";
try
{
    WebClient client = new WebClient();
    NetworkCredential nc = new NetworkCredential(userName, password);
    File.Copy(filepath, "\\\\10.220.120.13\\Files");
    client.Credentials = nc;
    byte[] arrReturn = client.UploadFile(addy, filePath);
    Console.WriteLine(arrReturn.ToString());
}
catch (Exception ex)
{
   
}