Student.java

import java.awt.Button;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Blob;
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.text.SimpleDateFormat;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import java.sql.*;
import java.util.Vector;
import javax.swing.table.DefaultTableModel;
/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/GUIForms/JFrame.java to edit this template
 */

/**
 *
 * @author shory
 */
public class Student extends javax.swing.JFrame {

    /**
     * Creates new form Student
     */
    public Student() {
        initComponents();
        Connect();
        Load();
        
    }

    Connection con;
    PreparedStatement pst;
    ResultSet rs;
    public void Connect()
    {
        try{
        Class.forName("com.mysql.cj.jdbc.Driver");
         con = DriverManager.getConnection("jdbc:mysql://localhost/qmsdb","root","");
        }catch(ClassNotFoundException ex)
        {
             Logger.getLogger(Student.class.getName()).log(Level.SEVERE, null, ex);
        }catch (SQLException ex) {
            Logger.getLogger(Student.class.getName()).log(Level.SEVERE, null, ex);
        } 
               
    }
    
    public void Load()
    {
       
        try {
            pst=con.prepareStatement("select * from student");
                rs=pst.executeQuery();
            
            ResultSetMetaData rsd=rs.getMetaData();
            int c;
            c=rsd.getColumnCount();
            DefaultTableModel d=(DefaultTableModel)jTable1.getModel();
            d.setRowCount(0);
            
            while(rs.next())
            {
                Vector v=new Vector();
                for(int i=0;i<=c;i++)
                {
                    v.add(rs.getString("id"));
                    v.add(rs.getString("stname"));
                    v.add(rs.getString("phone"));
                    v.add(rs.getString("address"));
                    v.add(rs.getString("age"));
                    
                }
                d.addRow(v);
            }
            
        }catch (SQLException ex) {
            Logger.getLogger(Student.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    }
    
    /**
     * 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() {

        jLabel1 = new javax.swing.JLabel();
        jPanel1 = new javax.swing.JPanel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        txtname = new javax.swing.JTextField();
        txtphone = new javax.swing.JTextField();
        txtaddress = new javax.swing.JTextField();
        txtage = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jButton5 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        getContentPane().setLayout(new org.netbeans.lib.awtextra.AbsoluteLayout());

        jLabel1.setFont(new java.awt.Font("Segoe UI", 1, 24)); // NOI18N
        jLabel1.setText("Student Registration");
        getContentPane().add(jLabel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(90, 15, 254, 30));

        jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        jLabel2.setFont(new java.awt.Font("Segoe UI", 1, 12)); // NOI18N
        jLabel2.setText("Student Name");

        jLabel3.setFont(new java.awt.Font("Segoe UI", 1, 12)); // NOI18N
        jLabel3.setText("Phone Number");

        jLabel4.setFont(new java.awt.Font("Segoe UI", 1, 12)); // NOI18N
        jLabel4.setText("Address");

        jLabel5.setFont(new java.awt.Font("Segoe UI", 1, 12)); // NOI18N
        jLabel5.setText("Age");

        txtname.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtnameActionPerformed(evt);
            }
        });

        txtphone.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtphoneActionPerformed(evt);
            }
        });

        txtaddress.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtaddressActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addGap(92, 92, 92)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(txtname)
                    .addComponent(txtphone)
                    .addComponent(txtaddress)
                    .addComponent(txtage, javax.swing.GroupLayout.DEFAULT_SIZE, 186, Short.MAX_VALUE))
                .addContainerGap(51, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(txtname, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(31, 31, 31)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(txtphone, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(34, 34, 34)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(txtaddress, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(33, 33, 33)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(txtage, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(37, Short.MAX_VALUE))
        );

        getContentPane().add(jPanel1, new org.netbeans.lib.awtextra.AbsoluteConstraints(20, 57, -1, -1));

        jButton1.setText("Add");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton1, new org.netbeans.lib.awtextra.AbsoluteConstraints(20, 362, -1, -1));

        jButton2.setText("Edit");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton2, new org.netbeans.lib.awtextra.AbsoluteConstraints(100, 360, -1, -1));

        jButton3.setText("Delete");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton3, new org.netbeans.lib.awtextra.AbsoluteConstraints(180, 360, -1, -1));

        jButton4.setText("Clear");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton4, new org.netbeans.lib.awtextra.AbsoluteConstraints(260, 360, -1, -1));

        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null, null},
                {null, null, null, null, null},
                {null, null, null, null, null},
                {null, null, null, null, null}
            },
            new String [] {
                "Student ID", "Student Name", "Phone Number", "Address", "Age"
            }
        ));
        jTable1.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jTable1MouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(jTable1);

        getContentPane().add(jScrollPane1, new org.netbeans.lib.awtextra.AbsoluteConstraints(470, 57, -1, 334));

        jButton5.setText("Back");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });
        getContentPane().add(jButton5, new org.netbeans.lib.awtextra.AbsoluteConstraints(350, 360, -1, -1));

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

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
       //Add Button Code
        
        try {
            
            String stname=txtname.getText();
            String phone=txtphone.getText();
            String address=txtaddress.getText();
            String age=txtage.getText();
            
            
            pst=con.prepareStatement("insert into student(stname,phone,address,age)values(?,?,?,?)");
            pst.setString(1, stname);
            pst.setString(2, phone);
            pst.setString(3, address);
            pst.setString(4, age);
            
            int k=pst.executeUpdate();
            
            if(k==1)
            {
                JOptionPane.showMessageDialog(this, "Record Added");
                txtname.setText("");
                txtphone.setText("");
                txtaddress.setText("");
                txtage.setText("");
                txtname.requestFocus();
                Load();
            }
            else{
                JOptionPane.showMessageDialog(this, "Record Failed");
            }
            
            
        } catch (SQLException ex) {
            Logger.getLogger(Student.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    }                                        

    private void jTable1MouseClicked(java.awt.event.MouseEvent evt) {                                     

DefaultTableModel d = (DefaultTableModel)jTable1.getModel();

int selectIndex = jTable1.getSelectedRow();

String id=d.getValueAt(selectIndex, 0).toString();
txtname.setText(d.getValueAt(selectIndex,1).toString());
txtphone.setText(d.getValueAt(selectIndex,2).toString());
txtaddress.setText(d.getValueAt(selectIndex,3).toString());
txtage.setText(d.getValueAt(selectIndex,4).toString());

jButton1.setEnabled(false);


        // TODO add your handling code here:
    }                                    

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        
        //Edit Button Code
        try {
            // TODO add your handling code here:
            DefaultTableModel d = (DefaultTableModel)jTable1.getModel();

            int selectIndex = jTable1.getSelectedRow();

            String stname=txtname.getText();
            String phone=txtphone.getText();
            String address=txtaddress.getText();
            String age=txtage.getText();
            String id=d.getValueAt(selectIndex, 0).toString();
            
            pst=con.prepareStatement("update student set stname=?,phone=?,address=?,age=? where id=?");
            pst.setString(1, stname);
            pst.setString(2, phone);
            pst.setString(3, address);
            pst.setString(4, age);
            pst.setString(5, id);
            
            int k=pst.executeUpdate();
            
            if(k==1)
            {
                JOptionPane.showMessageDialog(this, "Record Edited");
                txtname.setText("");
                txtphone.setText("");
                txtaddress.setText("");
                txtage.setText("");
                txtname.requestFocus();
                jButton1.setEnabled(true);
                Load();
            }
            else{
                JOptionPane.showMessageDialog(this, "Record Failed");
            }
            
            
        } catch (SQLException ex) {
            Logger.getLogger(Student.class.getName()).log(Level.SEVERE, null, ex);
        }
        
        
    }                                        

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {                                         

        //Delete Button Code
        try {
            // TODO add your handling code here:
            DefaultTableModel d = (DefaultTableModel)jTable1.getModel();

            int selectIndex = jTable1.getSelectedRow();

            String id=d.getValueAt(selectIndex, 0).toString();
            
            pst=con.prepareStatement("delete from student where id=?");
        
            pst.setString(1, id);
            
            int k=pst.executeUpdate();
            
            if(k==1)
            {
                JOptionPane.showMessageDialog(this, "Record Deleted");
                txtname.setText("");
                txtphone.setText("");
                txtaddress.setText("");
                txtage.setText("");
                txtname.requestFocus();
                jButton1.setEnabled(true);
                Load();
            }
            else{
                JOptionPane.showMessageDialog(this, "Record Failed");
            }
            
            
        } catch (SQLException ex) {
            Logger.getLogger(Student.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    }                                        

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {                                         
//Clear Button Code
                txtname.setText("");
                txtphone.setText("");
                txtaddress.setText("");
                txtage.setText("");
                txtname.requestFocus();
                jButton1.setEnabled(true);
                Load();

        // TODO add your handling code here:
    }                                        

    private void txtnameActionPerformed(java.awt.event.ActionEvent evt) {                                        
        // TODO add your handling code here:
    }                                       

    private void txtphoneActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
    }                                        

    private void txtaddressActionPerformed(java.awt.event.ActionEvent evt) {                                           
        // TODO add your handling code here:
    }                                          

    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
         setVisible(false);
            new student_login().setVisible(true);
        
    }                                        

    /**
     * @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 ("Mental".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Student.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Student.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Student.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Student.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 Student().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JButton jButton4;
    private javax.swing.JButton jButton5;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField txtaddress;
    private javax.swing.JTextField txtage;
    private javax.swing.JTextField txtname;
    private javax.swing.JTextField txtphone;
    // End of variables declaration                   
}