@Override
		public void actionPerformed(ActionEvent e) {
			if (e.getSource() == btnSearch) 
			{
				FileNameExtensionFilter filter = new FileNameExtensionFilter("TXT","txt");
				chooser.setFileFilter(filter);
				
				int ret = chooser.showOpenDialog(null);
				if(ret != JFileChooser.APPROVE_OPTION) {
					JOptionPane.showMessageDialog(null, "You don't select a File!","Warning",JOptionPane.WARNING_MESSAGE);
					return;
				}
				
				String filePath = chooser.getSelectedFile().getPath();
				txtSearch.setText(chooser.getSelectedFile().getPath());
				
				File file = new File(filePath);
				
				txtArea.setText("");
				try {
					FileReader fr = new FileReader(file);
					BufferedReader br = new BufferedReader(fr);// 
					for (String str; (str = br.readLine()) != null;) {
						txtArea.append(str);
						txtArea.append("\n");
					}

					br.close();
				} catch (Exception e1) {
					e1.printStackTrace();
				}
			}
		}