C # Request HTTP Address

Using system;using system.io;using system.net;using system.text;public class httputil{Private Const string Scontenttyp    E = "application/x-www-form-urlencoded"; Private Const string suseragent = "mozilla/4.0 (compatible; MSIE 7.0;    Windows NT 5.2;. NET CLR 1.1.4322;. NET CLR 2.0.50727) "; public static string Send (string data, string url) {return Send (encoding.getencoding ("UTF-8").    GetBytes (data), URL);        } public static string Send (byte[] data, string url) {Stream responsestream;        HttpWebRequest request = webrequest.create (URL) as HttpWebRequest; if (request = = null) {throw new ApplicationException (string.        Format ("Invalid URL string: {0}", url)); }//Request.          useragent = suseragent; Request.        ContentType = Scontenttype; Request.        Method = "POST"; Request. ContentLength = data.        Length; Stream requeststream = Request.        GetRequestStream (); requestStream.Write (data, 0, data.   Length);     Requeststream.close (); try {responsestream = Request. GetResponse ().        GetResponseStream ();        } catch (Exception Exception) {throw Exception; } string str = string.        Empty; using (StreamReader reader = new StreamReader (Responsestream, encoding.getencoding ("UTF-8"))) {str = RE Ader.        ReadToEnd ();        } responsestream.close ();    return str; }}

C # Request HTTP Address