Call WebService from Code Behind

/*
For a web method like this
[WebMethod]
public string GetAfterDates(int noOfDays)
{
return DateTime.Now.AddDays(noOfDays).ToShortDateString();
}
You can write Web Service Call from Code behind like this.
*/
WebProxy proxy = new WebProxy("http://192.168.1.110:8080");
proxy.BypassProxyOnLocal = true;

HttpWebRequest webRequest = (HttpWebRequest)HttpWebRequest.Create("http://localhost/MyDataProviderWS/MyDataProvider.asmx/GetAfterDates");// this nmae of method u want to call
webRequest.Method = "POST";
webRequest.ProtocolVersion = HttpVersion.Version11;
webRequest.ContentType = "application/x-www-form-urlencoded";
string content = "noOfDays=3"; // input parameter if u have more that one //a=b&dd=aa
webRequest.Proxy = proxy;
webRequest.ContentLength = content.Length;
Stream wri = webRequest.GetRequestStream();
byte[] array = Encoding.ASCII.GetBytes(content);
wri.Write(array, 0, array.Length);
wri.Flush();
wri.Close();
WebResponse rsp = (HttpWebResponse)webRequest.GetResponse();
Stream reader = rsp.GetResponseStream();
byte[] respose = new byte[10000];
reader.Read(respose, 0, respose.Length);
Response.Write(Encoding.ASCII.GetString(respose));