public void actionPerformed(ActionEvent e) 
		{
			if(editDescription.getText().equals(""))
			{
				JOptionPane.showMessageDialog(null, "Null data not accepted!");
				return;
			}
			else
			{
				int activeItem = availableServices.getSelectedIndex();
				try {
					PreparedStatement updateServiceDescription = conn.prepareStatement("UPDATE service_data SET ServiceDescription = ? WHERE idService = ?");
					updateServiceDescription.setString(1, editDescription.getText());
					updateServiceDescription.setInt(2, activeItem+1);
					updateServiceDescription.executeUpdate();
					JOptionPane.showMessageDialog(null, "Successful update!");
					buildSelectionPanel(activeItem);
				} 
				catch (SQLException e1) 
				{
					JOptionPane.showMessageDialog(null, "SQL input error");
					e1.printStackTrace();
				}
			}
		}