HttpClient httpclient = new DefaultHttpClient();
            HttpPost httppost = new HttpPost("http://website.com/kundenexecute.php");
            httppost.addHeader("Content-type","application/x-www-form-urlencoded");
            //httppost.setHeader("Content-type:application/x-www-form-urlencoded");
            try {
                // Add your data
                List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
                nameValuePairs.add(new BasicNameValuePair("id", "12345"));
                nameValuePairs.add(new BasicNameValuePair("stringdata", "Hi"));
                httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

                // Execute HTTP Post Request
                HttpResponse response = httpclient.execute(httppost);