HttpWebRequest example with error handling using C#

This is an example of simple HttpWebRequest with error handling module

	using System;
	using System.IO;
	using System.Net;
	using System.Text;
	public class HttpWebRequestTool
	{
	public static void Main(String[] args)
	{
	if (args.Length < 2)
	{
	Console.WriteLine("Missing argument. Need a URL and a filename");
	}
	else
	{
	StreamWriter sWriter = new StreamWriter(args[1]);
	sWriter.Write(WRequest(args[0], "GET", ""));
	sWriter.Close();
	}
	}
	public static string WRequest(string URL, string method, string postData)
	{
	string responseData = "";
	try
	{
	System.Net.HttpWebRequest hwrequest =
	(System.Net.HttpWebRequest)System.Net.WebRequest.Create(URL);
	hwrequest.Accept = "*/*";
	hwrequest.AllowAutoRedirect = true;
	hwrequest.UserAgent = "http_requester/0.1";
	hwrequest.Timeout= 60000;
	hwrequest.Method = method;
	if (hwrequest.Method == "POST")
	{
	hwrequest.ContentType = "application/x-www-form-urlencoded";
	// Use UTF8Encoding instead of ASCIIEncoding for XML requests:
	System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
	byte[] postByteArray = encoding.GetBytes(postData);
	hwrequest.ContentLength = postByteArray.Length;
	System.IO.Stream postStream = hwrequest.GetRequestStream();
	postStream.Write(postByteArray, 0, postByteArray.Length);
	postStream.Close();
	}
	System.Net.HttpWebResponse hwresponse =
	(System.Net.HttpWebResponse) hwrequest.GetResponse();
	if (hwresponse.StatusCode == System.Net.HttpStatusCode.OK)
	{
	System.IO.Stream responseStream = hwresponse.GetResponseStream();
	System.IO.StreamReader myStreamReader =
	new System.IO.StreamReader(responseStream);
	responseData = myStreamReader.ReadToEnd();
	}
	hwresponse.Close();
	}
	catch (Exception e)
	{
	responseData = "An error occurred: " + e.Message;
	}
	return responseData;
	}
	}

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