customer_details demo = new customer_details();
            System.out.println(demo.name+ " " + demo.date);
            String driver = "com.mysql.jdbc.Driver";
            Class.forName(driver);
            Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/crm", "root", "");
            System.out.println(con.toString());
            String sql = "INSERT INTO login (`username`, `password`) VALUES ( "+demo.name +", "+demo.date +")";
            System.out.println(sql);
            Statement stmt = con.createStatement();
            ResultSet rs = stmt.executeQuery( sql );