static string RegularFlowURL = "http://127.0.0.1/flowserver/html/menu_detail.php";
public static void Check()
{
    try
    {
         System.Net.ServicePointManager.Expect100Continue = false;
         Stream instream = null;
         StreamReader sr = null;
         HttpWebResponse response = null;
         HttpWebRequest request = null;
         Encoding encoding = Encoding.UTF8;
         request = WebRequest.Create(RegularFlowURL) as HttpWebRequest;
         response = request.GetResponse() as HttpWebResponse;
         instream = response.GetResponseStream();
         sr = new StreamReader(instream, encoding);
         string content = sr.ReadToEnd();
         MessageBox.Show(content);
    }
    catch (Exception ee)
    {
        MessageBox.Show(ee.ToString());
    }