Generic JSON HTTP POST method

gistfile1.cs

public T JsonPost<T>(string url, string strJson)
		{
			HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
			request.ContentType = "application/json; charset=utf-8";
			request.Accept = "application/json, text/javascript, */*";
			request.Method = "POST";

			byte[] byteArray = Encoding.UTF8.GetBytes(strJson);
			request.ContentLength = byteArray.Length;

			using (Stream s = request.GetRequestStream())
			{
				s.Write(byteArray, 0, byteArray.Length);
			}
			string json = "";
			WebResponse response = null;
			try
			{
				response = request.GetResponse();
			}
			catch (WebException e)
			{
				response = e.Response;
			}
			catch (Exception e)
			{
				MessageBox.Show(e.Message, "An error has occurred!", MessageBoxButtons.OK, MessageBoxIcon.Error);
			}

			if (response != null)
			{
				Stream stream = response.GetResponseStream();

				if (stream != null)
					using (StreamReader sr = new StreamReader(stream))
					{
						while (!sr.EndOfStream)
						{
							json += sr.ReadLine();
						}
					}
			}
			JavaScriptSerializer jss = new JavaScriptSerializer();
			T result = jss.Deserialize<T>(json);
			return result;
		}