public void doReset(String newLicence) {

		initConnection();

		StringBuffer sqlSb = new StringBuffer();
		sqlSb.append("UPDATE skycloud_licence_web_used\n");
		sqlSb.append("SET content = ?\n");
		sqlSb.append("WHERE\n");
		sqlSb.append("	id = 1;\n");

		PreparedStatement ps = null;

		try {
			ps = conn.prepareStatement(sqlSb.toString());
			ps.setString(1, newLicence);

			int cnt = ps.executeUpdate();

			if (cnt == 1) {
				JOptionPane.showMessageDialog(null, "Licence Reset Success...");
			}

		} catch (SQLException e) {
			e.printStackTrace();
		} finally {
			
			try {
				if (ps != null && !ps.isClosed()) {
					ps.close();
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
			
			try {
				if (conn != null && !conn.isClosed()) {
					conn.close();
				}
			} catch (SQLException e) {
				e.printStackTrace();
			}
		}
	}