C# 读取指定URL的内容

#region 读取指定URL的内容
        /// <summary>
        /// 读取指定URL的内容
        /// </summary>
        /// <param name="URL">指定URL</param>
        /// <param name="Content">该URL包含的内容</param>
        /// <returns>读取URL的状态</returns>
        public static string ReadHttp(string URL, ref string Content)
        {
            return ReadHttp(URL, "GET", ref Content);
        }
        public static string ReadHttp(string URL, string method, ref string Content)
        {
            string status = "ERROR";
            HttpWebRequest Webreq = (HttpWebRequest)WebRequest.Create(URL);
            Webreq.Method = method;
            HttpWebResponse Webresp = null;
            StreamReader strm = null;
            try
            {
                Webresp = (HttpWebResponse)Webreq.GetResponse();
                status = Webresp.StatusCode.ToString();
                Encoding encod;
                if (Webresp.CharacterSet.ToLower() == "utf-8")
                {
                    encod = Encoding.GetEncoding("utf-8");
                }
                else
                {
                    encod = Encoding.GetEncoding("gb2312");
                }
                strm = new StreamReader(Webresp.GetResponseStream(), encod);
                Content = strm.ReadToEnd();
            }
            catch (Exception ex)
            {
            }
            finally
            {
                if (Webresp != null) Webresp.Close();
                if (strm != null) strm.Close();
            }
            return (status);
        }
        #endregion