ต้องแก้ไข Code ตรงไหนถึงจะให้มันแสดงผลออกมาเป็น 2 บรรทัดครับ

        Button btnGetItem = (Button) findViewById(R.id.btnGetItem);
        btnGetItem.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {

                String txtID = null,txtName=null;
                double a=0, b=0, val=0, total = 0;
                int Count = 0;
                int count = lisView1.getAdapter().getCount();
                for (int i = 0; i < count; i++) {
                    LinearLayout itemLayout = (LinearLayout) lisView1.getChildAt(i); // Find by under LinearLayout
                    CheckBox checkbox = (CheckBox) itemLayout.findViewById(R.id.ColChk);
                    if (checkbox.isChecked()) {

                        TextView txtPrice = (TextView) itemLayout.findViewById(ColPrice);
                        EditText txtNum = (EditText) itemLayout.findViewById(R.id.ColNum);
                        TextView ID = (TextView) itemLayout.findViewById(ColProductID);
                        TextView Name = (TextView) itemLayout.findViewById(ColName);

                        txtID = ID.getText().toString();
                        txtName = Name.getText().toString();
                        a = Double.parseDouble(txtPrice.getText().toString());
                        b = Double.parseDouble(txtNum.getText().toString());
                        val = a * b;
                        total = total + val;
                        Count = Count + 1;


                        Intent PO_Page = new Intent(SelectProductActivity.this, PurchaseOrderActivity.class);
                        PO_Page.putExtra("ProductID", txtID);
                        PO_Page.putExtra("Name", txtName);
                        PO_Page.putExtra("Price", a);
                        PO_Page.putExtra("Num", b);
                        PO_Page.putExtra("Val", val);
                        PO_Page.putExtra("Count", Count);

                        startActivity(PO_Page);

                    }
                }

            }
        });

public class PurchaseOrderActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getSupportActionBar().hide();
        setContentView(R.layout.activity_purchase_order);



        Bundle bundle = getIntent().getExtras();
            String txtProductID = bundle.getString("ProductID");
            String txtName = bundle.getString("Name");
            double Price = bundle.getDouble("Price");
            double Num = bundle.getDouble("Num");
            double Val = bundle.getDouble("Val");
            Integer count=bundle.getInt("Count");

        ArrayList<HashMap<String, String>> MyArrList = new ArrayList<HashMap<String, String>>();
            HashMap<String, String> map;
            map = new HashMap<>();
            map.put("ProductID", txtProductID);
            map.put("Name", txtName);
            map.put("Price", Double.toString(Price));
            map.put("Num", Double.toString(Num));
            map.put("Val", Double.toString(Val));
            MyArrList.add(map);


        final ListView listView1 = (ListView) findViewById(R.id.listView1);
        SimpleAdapter sAdap;

        sAdap = new SimpleAdapter(PurchaseOrderActivity.this, MyArrList, R.layout.activity_column_po,
                new String[] {"ProductID", "Name","Price","Num","Val"}, new int[]{R.id.ColProductID, R.id.ColName, R.id.ColPrice, R.id.ColNum, R.id.ColVal});
        listView1.setAdapter(sAdap);


        Button btnCancel = (Button)findViewById(R.id.btnCancel);
        btnCancel.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });


    }
}