public void doHTTP(){
        StringBuffer chaine = new StringBuffer("");

        try{
            String urlString = "http://www.vigshakri.com/demo2.php?userid=vinayaga&username=shanmuga&pass=krishna";
            URL url = new URL(urlString);
            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
            urlConnection.setDoInput(true);
            urlConnection.setDoOutput(true);
            urlConnection.connect();
            if(urlConnection.getResponseCode()==200)
            {
                Toast.makeText(getBaseContext(),"200", Toast.LENGTH_LONG).show();

                BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
                StringBuilder stringBuilder = new StringBuilder();
                String line = null;
                while ((line = reader.readLine()) != null)
                {
                    stringBuilder.append(line + "\n");
                }

                Toast.makeText(getBaseContext(),stringBuilder.toString(), Toast.LENGTH_LONG).show();

            }

        } catch (Exception e) {
            TextView textView = (TextView)findViewById(R.id.textView);
            textView.setText(e.getMessage().toString());
        }
    }