public static string WriteFile(string strText, string path)

        {

            Encoding code = Encoding.GetEncoding("gb2312");

            StreamWriter sw = null;

            string filename = DateTime.Now.ToString("yyyy-MM-dd") + ".txt";

            try

            {

                string fullpath = System.IO.Path.Combine(path, filename);

                sw = new StreamWriter(fullpath, true, code);

                sw.Write("[" + DateTime.Now.ToString() + "]\r\n-----------------------------\r\n" + strText + "\r\n");

                sw.Flush();

            }

            catch (Exception ex)

            {

                //HttpContext.Current.Response.Write(ex.Message);

                //HttpContext.Current.Response.End();

            }

            finally

            {

                if (sw != null)

                {

                    sw.Close();

                }

            }

            return filename;

        }