public static void insertTva(String tva, float taux) throws SQLException {

        String query = "";
        try {
            query = "INSERT INTO TVA (TVALIBELLE,TVATX) VALUES (?,?) ";
            PreparedStatement pStatement = ConnectionBDD.getInstance().getPreparedStatement(query);
            pStatement.setString(1, tva);
            pStatement.setFloat(2, taux);
            pStatement.executeUpdate();

        } catch (SQLException ex) {
            Logger.getLogger(RequetesTva.class.getName()).log(Level.SEVERE, null, ex);

        }
    }