ใช้ $_POST[] เพื่อดึงค่าจาก Server แล้วไม่ขึ้นบน android ค่ะ

                Intent intent= this.getIntent();
		userId = intent.getStringExtra("userId");
		Toast.makeText(this, userId, Toast.LENGTH_LONG).show();


// Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        // listView1
        final ListView lstView1 = (ListView)findViewById(R.id.listViewGrade);
        TextView txtgrade = (TextView) findViewById(R.id.tgpa);
        
        
        String url = DatabaseIP.ipServer+"/studentsu/showAllDataSubject.php";
        
     // Paste Parameters
     	List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("userId",userId));
    
       
        
        try {
        	JSONArray data = new JSONArray(getJSONUrl(url,params));
    		
        	final ArrayList<HashMap<String, String>> MyArrList = new ArrayList<HashMap<String, String>>();
    		HashMap<String, String> map;
    		
    		for(int i = 0; i < data.length(); i++){
                JSONObject c = data.getJSONObject(i);
    			map = new HashMap<String, String>();
    			map.put("idsubject", c.getString("idsubject"));
				map.put("subj_Tname", c.getString("subj_Tname"));
				map.put("subj_unit", c.getString("subj_unit"));
				map.put("grade", c.getString("grade"));
			

    			
    			MyArrList.add(map);
    		}
    		
    		lstView1.setAdapter(new ImageAdapter(this, MyArrList));
    		
    		
    		
        } catch (JSONException e) {
    		// TODO Auto-generated catch block
    		e.printStackTrace();
    	}
		
	
	}
	
	

	public class ImageAdapter extends BaseAdapter 
	{
	    private Context context;
	    private ArrayList<HashMap<String, String>> MyArr = new ArrayList<HashMap<String, String>>();

	    public ImageAdapter(Context c, ArrayList<HashMap<String, String>> list) 
	    {
	    	// TODO Auto-generated method stub
	        context = c;
	        MyArr = list;
	    }

	    public int getCount() {
	    	// TODO Auto-generated method stub
	        return MyArr.size();
	    }

	    public Object getItem(int position) {
	    	// TODO Auto-generated method stub
	        return position;
	    }

	    public long getItemId(int position) {
	    	// TODO Auto-generated method stub
	        return position;
	    }
		public View getView(int position, View convertView, ViewGroup parent) {
			// TODO Auto-generated method stub
			
			LayoutInflater inflater = (LayoutInflater) context
					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		 
		 
			if (convertView == null) {
				convertView = inflater.inflate(R.layout.grade_list, null); 
			}

			
				
			
			// 
			TextView txtId= (TextView) convertView.findViewById(R.id.gradeIdTv);
			txtId.setPadding(5, 0, 0, 0);
			txtId.setText("" + MyArr.get(position).get("idsubject"));
			
			TextView txtSub = (TextView) convertView.findViewById(R.id.gradeSubTv);
			txtSub.setPadding(5, 0, 0, 0);
			txtSub.setText("" + MyArr.get(position).get("subj_Tname"));
			
			TextView txtunit = (TextView) convertView.findViewById(R.id.gradeUnitTv);
			txtunit.setPadding(5, 0, 0, 0);
			txtunit.setText("" + MyArr.get(position).get("subj_unit"));
			
			TextView txtgrade = (TextView) convertView.findViewById(R.id.gradeTv);
			txtgrade.setPadding(5, 0, 0, 0);
			txtgrade.setText("" + MyArr.get(position).get("grade"));
			
			
			
			

					
		 
			return convertView;
				
		}

	} 
	/*** Get JSON Code from URL 
	 * @param params ***/
		public String getJSONUrl(String url, List<NameValuePair> params) {
			StringBuilder str = new StringBuilder();
			HttpClient client = new DefaultHttpClient();
			HttpGet httpGet = new HttpGet(url);
			try {
				HttpResponse response = client.execute(httpGet);
				StatusLine statusLine = response.getStatusLine();
				int statusCode = statusLine.getStatusCode();
				if (statusCode == 200) { // Download OK
					HttpEntity entity = response.getEntity();
					InputStream content = entity.getContent();
					BufferedReader reader = new BufferedReader(new InputStreamReader(content));
					String line;
					while ((line = reader.readLine()) != null) {
						str.append(line);
					}
				} else {
					Log.e("Log", "Failed to download file..");
				}
			} catch (ClientProtocolException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str.toString();
		}

}

$userId = $_POST["userId"];	
$strSQL = "SELECT * FROM  `register` WHERE userId='".$userId."' ";




	$objQuery = mysql_query($strSQL);
	$intNumField = mysql_num_fields($objQuery);
	$resultArray = array();
	while($obResult = mysql_fetch_array($objQuery))
	{
		$arrCol = array();
		for($i=0;$i<$intNumField;$i++)
		{
			$arrCol[mysql_field_name($objQuery,$i)] = $obResult[$i];
		}
		array_push($resultArray,$arrCol);
	}
	
	mysql_close($objConnect);
	
	echo json_encode($resultArray);