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FirstWinfdow.java
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package databaseProject;
import java.sql.*;
import javax.swing.*;
public class FirstWinfdow extends javax.swing.JFrame {
static Connection con;
// PreparedStatement st;
String driver = "oracle.jdbc.driver.OracleDriver";
String url = "jdbc:oracle:thin:@localhost:1521:XE";
String user,pass;
public FirstWinfdow(){
try{
Class.forName(driver);
}catch(Exception e){
JOptionPane.showMessageDialog(null,"Login Driver not found: "+e);
}
initComponents();
}
/**
* 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">//GEN-BEGIN:initComponents
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
login = new javax.swing.JButton();
reset = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
name = new javax.swing.JTextField();
pwd = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jLabel1.setText("Give Password");
jLabel1.setBorder(new javax.swing.border.MatteBorder(null));
login.setText("LOGIN");
login.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
loginActionPerformed(evt);
}
});
reset.setText("RESET");
reset.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
resetActionPerformed(evt);
}
});
jLabel2.setText("Give Login Name");
jLabel2.setBorder(new javax.swing.border.MatteBorder(null));
pwd.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
pwdActionPerformed(evt);
}
});
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()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addGap(73, 73, 73)
.addComponent(login, javax.swing.GroupLayout.PREFERRED_SIZE, 183, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 198, Short.MAX_VALUE)
.addComponent(reset, javax.swing.GroupLayout.PREFERRED_SIZE, 135, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18))
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 171, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(name)
.addComponent(pwd, javax.swing.GroupLayout.DEFAULT_SIZE, 293, Short.MAX_VALUE))))
.addGap(62, 62, 62))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 172, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(462, Short.MAX_VALUE)))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(48, 48, 48)
.addComponent(name, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, 47, Short.MAX_VALUE)
.addComponent(pwd))
.addGap(132, 132, 132)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(reset, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(login, javax.swing.GroupLayout.PREFERRED_SIZE, 35, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(38, Short.MAX_VALUE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(49, 49, 49)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(269, Short.MAX_VALUE)))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void loginActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_loginActionPerformed
try{
user= name.getText();
pass=pwd.getText();
con=DriverManager.getConnection(url,user,pass);
JOptionPane.showMessageDialog(null,"You are connected to database");
DatabaseWindow dw=new DatabaseWindow();
dw.setVisible(true);
// JOptionPane.showMessageDialog(null,"Database window opened");
}catch(Exception e){
JOptionPane.showMessageDialog(null,"Invalid Userid and password");
}
}//GEN-LAST:event_loginActionPerformed
private void resetActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_resetActionPerformed
login.setText(" ");
pwd.setText(" ");
}//GEN-LAST:event_resetActionPerformed
private void pwdActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_pwdActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_pwdActionPerformed
/**
* @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 ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(FirstWinfdow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(FirstWinfdow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(FirstWinfdow.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(FirstWinfdow.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 FirstWinfdow().setVisible(true);
}
});
}
public static Connection transferCon(){
return con;
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JButton login;
private javax.swing.JTextField name;
private javax.swing.JTextField pwd;
private javax.swing.JButton reset;
// End of variables declaration//GEN-END:variables
}