Question

我只希望我的记录日明智，费率，税和税的总和;金额，但根据税收区分，即5％的税收条目总和＆amp;在不同的行和＆amp; 13％的税收条目与总和将是一个差异。行。

    try {

        Connection con=Conn.getConnection();
        Statement ps=con.createStatement();
        ResultSet rs=ps.executeQuery("Select Store, InvoiceDate, sum(Rate*quantity), Percen, sum(Tax*Quantity), sum(Amount) from Orders Group By InvoiceDate, Store, Percen");

        while(rs.next()){

            v=new Vector();

            v.add(rs.getString(1));
            v.add(converToString(rs.getDate(2)));
            v.add(rs.getDouble(3));
            v.add(rs.getString(4));
            v.add(rs.getDouble(5));
            v.add(rs.getDouble(6));

            mDateWise.addRow(v);
        }
        con.close();
    }
    catch (Exception ex) {

        JOptionPane.showMessageDialog(c,ex.toString());
    }

显示错误java.sql.SQLException：找不到数据。帮助!!

Answer 1

您从索引1获取字符串和日期，这是怎么回事？

rs.getString(1); <--- String Value at index 1
rs.getDate(1)); <---- Date  Value at index 1

java.sql.SQLException：找不到数据

1 个答案: