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remove_q.java
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package quiz;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
/**
*
* @author User
*/
public class remove_q extends javax.swing.JFrame {
String s3;
public Connection con;
/**
* Creates new form remove_q
*/
public remove_q() {
initComponents();
this.setLocationRelativeTo(null);
}
/**
* 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() {
jPanel1 = new javax.swing.JPanel();
jLabel2 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jPanel2 = new javax.swing.JPanel();
add = new javax.swing.JButton();
exit = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setBackground(new java.awt.Color(255, 153, 51));
jPanel1.setLayout(null);
jLabel2.setFont(new java.awt.Font("Segoe UI Black", 1, 14)); // NOI18N
jLabel2.setText("Remove question");
jPanel1.add(jLabel2);
jLabel2.setBounds(120, 40, 270, 19);
jLabel4.setFont(new java.awt.Font("Segoe UI Black", 1, 14)); // NOI18N
jLabel4.setText("Admin");
jPanel1.add(jLabel4);
jLabel4.setBounds(150, 20, 210, 19);
jPanel2.setBackground(new java.awt.Color(0, 51, 102));
add.setBackground(new java.awt.Color(0, 153, 153));
add.setForeground(new java.awt.Color(51, 51, 0));
add.setText("Remove Question");
add.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
addMouseClicked(evt);
}
});
add.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
addActionPerformed(evt);
}
});
exit.setText("Back");
exit.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
exitMouseClicked(evt);
}
});
exit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
exitActionPerformed(evt);
}
});
jLabel1.setForeground(new java.awt.Color(255, 255, 255));
jLabel1.setText("Enter Question:");
jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(32, 32, 32)
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 234, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(42, 42, 42)
.addComponent(add, javax.swing.GroupLayout.PREFERRED_SIZE, 129, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(exit, javax.swing.GroupLayout.PREFERRED_SIZE, 117, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(34, Short.MAX_VALUE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(17, 17, 17)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 91, Short.MAX_VALUE)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(add)
.addComponent(exit))
.addGap(51, 51, 51))
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, 386, Short.MAX_VALUE)
.addContainerGap())
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap()))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 232, Short.MAX_VALUE))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(69, Short.MAX_VALUE)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap()))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void addMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_addMouseClicked
try {
// TODO add your handling code here:
try {
// TODO add your handling code here:
Class.forName("oracle.jdbc.driver.OracleDriver");
} catch (ClassNotFoundException ex) {
Logger.getLogger(Register1.class.getName()).log(Level.SEVERE, null, ex);
}
//step2 create the connection object
con=DriverManager.getConnection(
"jdbc:oracle:thin:@localhost:1521:xe","afifa","123");
PreparedStatement p1 = con.prepareStatement
("select id from question where content=?");
PreparedStatement p2 = con.prepareStatement
("delete from answer where id=?");
String s1=jTextField1.getText();
p1.setString(1, s1);
ResultSet r2;
r2=p1.executeQuery();
while(r2.next()){
s3= r2.getString(1);
}
p2.setString(1, s3);
p2.execute();
p2 = con.prepareStatement
("delete from question where id=?");
p2.setString(1, s3);
p2.execute();
JOptionPane.showMessageDialog(null, "Question has been deleted");
} catch (SQLException ex) {
Logger.getLogger(Add_q.class.getName()).log(Level.SEVERE, null, ex);
}
}//GEN-LAST:event_addMouseClicked
private void addActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_addActionPerformed
private void exitMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_exitMouseClicked
ad_welcome w1=new ad_welcome();
//System.out.println(s3);
w1.setVisible(true);
w1.pack();
//w1.setLocationRelativeTo(null)
this.dispose();
w1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}//GEN-LAST:event_exitMouseClicked
private void exitActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_exitActionPerformed
private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jTextField1ActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_jTextField1ActionPerformed
/**
* @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 | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(remove_q.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new remove_q().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton add;
private javax.swing.JButton exit;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel4;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JTextField jTextField1;
// End of variables declaration//GEN-END:variables
}