获取整个网页的html源码

#region 获取整个网页的html源码

        public static string GetStringByUrl(string strUrl,string strEncode)

        {

            WebRequest wrt = WebRequest.Create(strUrl);

            WebResponse wrse = wrt.GetResponse();

            Stream strM = wrse.GetResponseStream();

            StreamReader SR = new StreamReader(strM, Encoding.GetEncoding(strEncode));

            string strallstrm = SR.ReadToEnd();

            return strallstrm;

        }

        #endregion