public void updateSave(String pName, int pTx, int pTy, int pStt, int pSn, String pGrid) throws SQLException {
        String req = ("UPDATE save SET NAME = ?, TX = ?, TY = ?, STT = ?, SN = ?, GRID = ? WHERE NAME = ?;");
        PreparedStatement preStmt = cnx.prepareStatement(req);
        preStmt.setString(1, pName);
        preStmt.setInt(2, pTx);
        preStmt.setInt(3, pTy);
        preStmt.setInt(4, pStt);
        preStmt.setInt(5, pSn);
        preStmt.setString(6, pGrid);
        preStmt.setString(7, pName);
        preStmt.execute();
        preStmt.close();
    }