HttpWebRequest Submit (Post) data

protected voidPage_Load (Objectsender, EventArgs e) {            stringsql ="Select top 1 * FROM [user] ORDER by userid ASC"; DataTable DT= DBUtility.SQLHelperJJ3.Query (SQL). tables[0]; stringType ="0"; stringUsername = dt. rows[0]["username"].            ToString (); stringPassword = dt. rows[0]["Password"].            ToString (); stringemail = dt. rows[0]["Email"].            ToString ();  This.        HttpPost (type, username, password, email); }        Private voidHttpPost (stringTypestringUsernamestringPasswordstringemail) {            stringContent ="type="+ Type +"&username="+ Username +"&password="+ Password +"&email="+email; stringURL ="http://localhost/php/index.php?Action=BatchRegist"; Try            {                //gets the Committed bytes                byte[] bs =Encoding.UTF8.GetBytes (content); //set the relevant parameters for the submissionHttpWebRequest req =(HttpWebRequest) httpwebrequest.create (URL); Req. Method="POST"; Req. ContentType="application/x-www-form-urlencoded"; Req. ContentLength=BS.                Length; //Submit Request DataStream Reqstream =req.                GetRequestStream (); Reqstream.write (BS,0, BS.                Length);                Reqstream.close (); //receives the returned page, must, cannot omitWebResponse WR =req.                GetResponse (); System.IO.Stream Respstream=WR.                GetResponseStream (); System.IO.StreamReader Reader=NewSystem.IO.StreamReader (Respstream, System.Text.Encoding.GetEncoding ("Utf-8")); stringt =Reader.                ReadToEnd ();                System.Web.HttpContext.Current.Response.Write (t); wr.            Close (); }            Catch(Exception ex) {System.Web.HttpContext.Current.Response.Write ("Exceptions in Getpostrespone:"+ ex. Source +":"+Ex.            Message); }        }