Androi สอบถามหน่อยคับคือผมอยากให้มันค้นหาได้หลายๆอย่าง คือตอนนี้มันค้นหาได้แค่ช่องเดียวในตางราง อยากให้มันค้นหาช่องอื่นได้ด้วยคับ ต้องทำไงคับ

package com.example.asus.cis_project;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.os.Bundle;
import android.os.StrictMode;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Menu;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity37 extends Activity {

    private ImageView back;

    ArrayList<HashMap<String, String>> MyArrList;

    @SuppressLint("NewApi")
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main37);

        back = (ImageView)findViewById(R.id.back);
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity37.this, MainActivity.class);
                startActivity(intent);

            }
        });

        // Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }

        ShowData();


        // btnSearch
        final Button re = (Button) findViewById(R.id.btnSearch);
        //btnSearch.setBackgroundColor(Color.TRANSPARENT);
        // Perform action on click
        re.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                ShowData();
            }
        });

    }

    public void ShowData()
    {
        // listView1
        final ListView lisView1 = (ListView)findViewById(R.id.listView1);

        // keySearch
        EditText strKeySearch = (EditText)findViewById(R.id.txtKeySearch);

        // Disbled Keyboard auto focus
        InputMethodManager imm = (InputMethodManager)getSystemService(
                Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(strKeySearch.getWindowToken(), 0);


        String url = "http://project-com-tech.ubru.ac.th/~cis4yn5501/showAllData2.php";

        // Paste Parameters
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("txtKeyword", strKeySearch.getText().toString()));


        try {
            JSONArray data = new JSONArray(getJSONUrl(url,params));

            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("MemberID", c.getString("MemberID"));
                map.put("Name", c.getString("Name"));
                map.put("Tel", c.getString("Tel"));
                map.put("Subject", c.getString("Subject"));
                map.put("Message", c.getString("Message"));
                map.put("Answer", c.getString("Answer"));
                map.put("UpdateAt", c.getString("UpdateAt"));
                map.put("Status", c.getString("Status"));
                MyArrList.add(map);

            }

            lisView1.setAdapter(new ImageAdapter(this));

            // OnClick Item
            lisView1.setOnItemClickListener(new OnItemClickListener() {
                public void onItemClick(AdapterView<?> myAdapter, View myView,
                                        int position, long mylng) {

                    String sMemberID = MyArrList.get(position).get("MemberID")
                            .toString();
                    String sName = MyArrList.get(position).get("Name")
                            .toString();
                    String sUpdateAt = MyArrList.get(position).get("UpdateAt")
                            .toString();
                    String sStatus = MyArrList.get(position).get("Status")
                            .toString();

                    Intent newActivity = new Intent(MainActivity37.this,DetailActivity3.class);
                    newActivity.putExtra("MemberID", sMemberID);
                    startActivity(newActivity);

                }
            });

        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }


    public class ImageAdapter extends BaseAdapter
    {
        private Context context;

        public ImageAdapter(Context c)
        {
            // TODO Auto-generated method stub
            context = c;
        }

        public int getCount() {
            // TODO Auto-generated method stub
            return MyArrList.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(final 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.activity_column2, null);
            }

            // ColMemberID
            TextView txtMemberID = (TextView) convertView.findViewById(R.id.ColMemberID);
            txtMemberID.setPadding(10, 0, 0, 0);
            txtMemberID.setText(MyArrList.get(position).get("MemberID") +".");

            // R.id.ColSubject
            TextView txtName = (TextView) convertView.findViewById(R.id.ColSubject);
            txtName.setPadding(5, 0, 0, 0);
            txtName.setText(MyArrList.get(position).get("Subject"));

            // R.id.ColUpdateAt
            TextView txtUpdateAt = (TextView) convertView.findViewById(R.id.ColUpdateAt);
            txtUpdateAt.setPadding(5, 0, 0, 0);
            txtUpdateAt.setText(MyArrList.get(position).get("UpdateAt"));

            // R.id.ColStatus
            TextView txtStatus = (TextView) convertView.findViewById(R.id.ColStatus);
            txtStatus.setPadding(5, 0, 0, 0);
            txtStatus.setText(MyArrList.get(position).get("Status"));

            return convertView;

        }

    }


    public String getJSONUrl(String url,List<NameValuePair> params) {
        StringBuilder str = new StringBuilder();
        HttpClient client = new DefaultHttpClient();
        HttpPost httpPost = new HttpPost(url);

        try {
            httpPost.setEntity(new UrlEncodedFormEntity(params,"UTF-8"));
            HttpResponse response = client.execute(httpPost);
            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 result..");
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return str.toString();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_main_activity37, menu);
        return true;
    }


}