C# 网页内容获取

 private string GetGeneralContent(string strUrl)
        {
            string strMsg = string.Empty;
            try
            {
                WebRequest request = WebRequest.Create(strUrl);
                WebResponse response = request.GetResponse();
                StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
                strMsg = reader.ReadToEnd();
                reader.Close();
                reader.Dispose();
                response.Close();
            }
            catch
            { }
            return strMsg;
        }

        //读取文件,以gb2312编码
        StreamReader sr = new StreamReader(fileload.PostedFile.InputStream, System.Text.Encoding.GetEncoding("gb2312"));
        string strTitle = sr.ReadLine();//读取每行数据