HTTPLoadData

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Net;
using UnityEngine;

public class LoadData
{
    public string data;
    HttpWebRequest webRequest;
    public LoadData(string url)
    {
        try
        {
            webRequest = (HttpWebRequest)WebRequest.Create(url);
            webRequest.BeginGetResponse(new AsyncCallback(FinishWebRequest), webRequest);
        }
        catch (WebException w)
        {
            Debug.Log("WWW Request Error : " + w.Message.ToString());
        }
        catch (Exception e)
        {
            Debug.Log("Unknown Request Error : " + e.Message.ToString());
        }

    }

    private void FinishWebRequest(IAsyncResult result)
    {
        try
        {
            HttpWebResponse response = (result.AsyncState as HttpWebRequest).EndGetResponse(result) as HttpWebResponse;
            Stream dataStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(dataStream);
            data = reader.ReadToEnd();
        }
        catch (WebException w)
        {
            Debug.Log("WWW Response Error : " + w.Message.ToString());
        }
        catch (Exception e)
        {
            Debug.Log("Unknown Response Error : " + e.Message.ToString());
        }
    }
}