Login

import java.sql.Connection;

import java.awt.Toolkit;
import java.awt.event.WindowEvent;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.JFrame;
import javax.swing.JOptionPane;


public class Login extends javax.swing.JFrame {



    private Connection connection=null;
    private PreparedStatement pst = null;
    private ResultSet resultSet = null;


    public Login() {


        initComponents();

        init();

        connection=JavaDbConnection.dbConnect();
    }

    public void init()
    {
         setLocationRelativeTo(null);
         setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
         setResizable(false);
    }

    public void close(){
        WindowEvent winClosingEvnt=new WindowEvent(this,WindowEvent.WINDOW_CLOSING);
        Toolkit.getDefaultToolkit().getSystemEventQueue().postEvent(winClosingEvnt);

    }





    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jLabel2 = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        Deshpass = new javax.swing.JPasswordField();
        jLabel3 = new javax.swing.JLabel();
        btnLogOn = new javax.swing.JButton();
        Password = new javax.swing.JLabel();
        FahimUsername = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();

        jLabel2.setIcon(new javax.swing.ImageIcon("F:\\DatabaseMysqlProject\\src\\image\\Coachnew.jpg")); // NOI18N
        jLabel2.setText("jLabel2");

        jLabel1.setIcon(new javax.swing.ImageIcon("F:\\DatabaseMysqlProject\\src\\image\\Coachnew.jpg")); // NOI18N

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBackground(new java.awt.Color(153, 204, 255));
        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(null, " Login ", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Rockwell Extra Bold", 3, 48), new java.awt.Color(255, 255, 255))); // NOI18N

        jLabel3.setBackground(new java.awt.Color(51, 51, 255));
        jLabel3.setText("UserName");

        btnLogOn.setText("Enter");
        btnLogOn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnLogOnActionPerformed(evt);
            }
        });

        Password.setText("Password");

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel3)
                    .addComponent(Password, javax.swing.GroupLayout.PREFERRED_SIZE, 67, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(24, 24, 24)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(Deshpass)
                    .addComponent(FahimUsername)
                    .addComponent(btnLogOn, javax.swing.GroupLayout.PREFERRED_SIZE, 136, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(49, 49, 49))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(80, 80, 80)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(FahimUsername, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(Password)
                    .addComponent(Deshpass, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(btnLogOn)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        jLabel4.setIcon(new javax.swing.ImageIcon("F:\\DatabaseMysqlProject\\src\\image\\Coachnew.jpg")); // NOI18N

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addComponent(jLabel4)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
        );

        pack();
    }// </editor-fold>

    private void btnLogOnActionPerformed(java.awt.event.ActionEvent evt) {

        String sql = "select * from login where UserName= ? and Password =?";

    try {
            pst = connection.prepareStatement(sql);
            pst.setString(1, FahimUsername.getText());
            pst.setString(2, Deshpass.getText());
            resultSet = pst.executeQuery();
            if (resultSet.next()) {
                close();
                Maa_CoachingDatabase obj = new Maa_CoachingDatabase();
                obj.setVisible(true);


                 try {
                    resultSet.close();
                    pst.close();
                    connection.close();

                } catch (Exception e) {
                     JOptionPane.showMessageDialog(rootPane, e);
                }
            } else {
                JOptionPane.showMessageDialog(rootPane, "UserName And Password is incorrect!");

            }

        } catch (Exception e) {
            JOptionPane.showMessageDialog(rootPane, e);
        }


    }





    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Windows".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Login().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private javax.swing.JPasswordField Deshpass;
    private javax.swing.JTextField FahimUsername;
    private javax.swing.JLabel Password;
    private javax.swing.JButton btnLogOn;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    // End of variables declaration
}