Untitled

cmbAtdncStrm = new JComboBox(strm);
        cmbAtdncStrm.setForeground(new Color(0, 51, 102));
        cmbAtdncStrm.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        cmbAtdncStrm.setBounds(10, 34, 103, 22);
        cmbAtdncStrm.setRenderer(new MyComboBoxRenderer(" Stream"));
        cmbAtdncStrm.setSelectedIndex(-1);
        panelAtdnc.add(cmbAtdncStrm);


        panelDt = new JPanel();
        panelDt.setLayout(null);
        panelDt.setOpaque(false);
        panelDt.setBorder(new TitledBorder(UIManager.getBorder("CheckBoxMenuItem.border"), "<html><font face='Tw Cen MT' size='3'>DATE </font><font color='red'></font></html>", TitledBorder.LEADING, TitledBorder.TOP, null, new Color(109, 109, 109)));
        panelDt.setBounds(2, 136, 235, 46);
        panelAtdnc.add(panelDt);

        cmbDtDay = new JComboBox<Object>(days);
        cmbDtDay.setRenderer(new MyComboBoxRenderer(" Day"));
        cmbDtDay.setSelectedIndex(-1);
        cmbDtDay.setForeground(new Color(0, 51, 102));
        cmbDtDay.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        cmbDtDay.setBounds(8, 18, 60, 22);
        panelDt.add(cmbDtDay);

        cmbDtMnth = new JComboBox<Object>(mnth);
        cmbDtMnth.setRenderer(new MyComboBoxRenderer(" Month"));
        cmbDtMnth.setSelectedIndex(-1);
        cmbDtMnth.setForeground(new Color(0, 51, 102));
        cmbDtMnth.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        cmbDtMnth.setBounds(75, 18, 82, 22);
        panelDt.add(cmbDtMnth);

        cmbDtYr = new JComboBox<Object>(year);
        cmbDtYr.setRenderer(new MyComboBoxRenderer(" Year"));
        cmbDtYr.setSelectedIndex(-1);
        cmbDtYr.setForeground(new Color(0, 51, 102));
        cmbDtYr.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        cmbDtYr.setBounds(164, 18, 65, 22);
        panelDt.add(cmbDtYr);


        cmbAtdncSem = new JComboBox<Object>(sem);
        cmbAtdncSem.setRenderer(new MyComboBoxRenderer(" Semester"));
        cmbAtdncSem.setSelectedIndex(-1);
        cmbAtdncSem.setForeground(new Color(0, 51, 102));
        cmbAtdncSem.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        cmbAtdncSem.setBounds(130, 34, 103, 22);
        panelAtdnc.add(cmbAtdncSem);

        JLabel lblAtdncStatus = new JLabel("NO. OF  DAYS PRESENT TILL NOW :-");
        lblAtdncStatus.setForeground(new Color(0, 51, 102));
        lblAtdncStatus.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        lblAtdncStatus.setBounds(16, 213, 205, 14);
        panelAtdnc.add(lblAtdncStatus);

        txtAtdncNo = new JTextField();
        txtAtdncNo.setOpaque(false);
        txtAtdncNo.setForeground(Color.RED);
        txtAtdncNo.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        txtAtdncNo.setColumns(10);
        txtAtdncNo.setBorder(new MatteBorder(0, 0, 1, 0, (Color) Color.LIGHT_GRAY));
        txtAtdncNo.setBounds(232, 208, 72, 22);
        panelAtdnc.add(txtAtdncNo);

        lblSave = new JLabel("Save");
        lblSave.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
        lblSave.setIcon(new ImageIcon(Student.class.getResource("/img/Check-16.png")));
        lblSave.setForeground(new Color(0, 51, 102));
        lblSave.setFont(new Font("Tw Cen MT", Font.PLAIN, 16));
        lblSave.setBounds(206, 340, 72, 18);
        panelAtdnc.add(lblSave);

        cmbName = new JComboBox();
        cmbName.setEnabled(false);
        cmbName.setForeground(new Color(0, 51, 102));
        cmbName.setBorder(new MatteBorder(0, 0, 1, 0, (Color) Color.LIGHT_GRAY));
        cmbName.setFont(new Font("Tw Cen MT", Font.PLAIN, 13));
        cmbName.setBounds(10, 85, 150, 22);
        cmbName.setRenderer(new MyComboBoxRenderer(" Name of the Student"));
        cmbName.setSelectedIndex(-1);
        panelAtdnc.add(cmbName);

        JLabel lblCheck = new JLabel("Check");
        lblCheck.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent arg0) {
                name=new Vector();
                atdnc=new Vector();
                try{
                    //Class.forName("com.oracle.jdbc.Driver");
                    Connection con=DriverManager.getConnection("jdbc:oracle:thin:@//localhost:1521/XE","ADMIN","admin");
                    Statement st=con.createStatement();
                    ResultSet rslt1=st.executeQuery("select * from student where stream='"+cmbAtdncStrm.getSelectedItem()+"' and semester='"+cmbAtdncSem.getSelectedItem()+"'");
                    //ResultSet rslt2=st.executeQuery("select distinct attendance from student where

    current_date='"+cmbDtDay.getSelectedItem()+"''"+cmbDtMnth.getSelectedItem()+"''"+cmbDtYr.getSelectedItem()+"'");

                        while(rslt1.next()){
                            name.add(rslt1.getString(2));
                            System.out.println(name);
                            cmbName.setEnabled(true);
                            cmbName=new JComboBox<>(name);

                        }
                    }catch(Exception e){
                        e.printStackTrace();
                        JOptionPane.showMessageDialog(null,"No Student Found");
                    }

                }
            });
            lblCheck.setForeground(new Color(0, 51, 102));
            lblCheck.setFont(new Font("Tw Cen MT", Font.PLAIN, 16));
            lblCheck.setBounds(258, 39, 46, 14);
            panelAtdnc.add(lblCheck);