Save word document automatically

string slFilename = svlFilename + " " + DateTime.Now.Year.ToString() + ".doc";
string svlAttPath = HttpContext.Current.Server.MapPath("~/Documents/") + slFilename;
FileStream file = new FileStream(svlAttPath, FileMode.OpenOrCreate, FileAccess.Write);
StreamWriter sw = new StreamWriter(file);
sw.Write(svlDocContent.ToString());
sw.Close();
file.Close();