- Code: Select all
import javax.swing.JFrame;
import java.sql.*;
import java.io.*;
import java.util.*;
/*
* sasi.java
*
* Created on April 30, 2007, 9:49 AM
*/
/**
*
* @author sasikrishna1
*/
public class sasi extends javax.swing.JFrame {
// private Connection cons;
/** Creates new form sasi */
public sasi() {
/* String url = "jdbc:Microsoft:sqlserver:http://localhost;databaseName:sms";
String uname = "sa";
String pwd = "";
try{
Class.forName("com.microsoft.sqlserver.jdbc.SqlServerDriver");
con = DriverManager.getConnection(url,uname,pwd);
}
catch(ClassNotFoundException cnfe){
System.out.println("class not found");
}
catch(SQLException e)
{
System.out.println("unable to connnect");
}*/
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.
*/
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">
private void initComponents() {
jDialog1 = new javax.swing.JDialog();
jLabel3 = new javax.swing.JLabel();
jDialog2 = new javax.swing.JDialog();
jLabel4 = new javax.swing.JLabel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
//jTextField2.setEchoChar('*');
jLabel3.setText("You had clicked the Save Button");
org.jdesktop.layout.GroupLayout jDialog1Layout = new org.jdesktop.layout.GroupLayout(jDialog1.getContentPane());
jDialog1.getContentPane().setLayout(jDialog1Layout);
jDialog1Layout.setHorizontalGroup(
jDialog1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jDialog1Layout.createSequentialGroup()
.add(35, 35, 35)
.add(jLabel3)
.addContainerGap(211, Short.MAX_VALUE))
);
jDialog1Layout.setVerticalGroup(
jDialog1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jDialog1Layout.createSequentialGroup()
.add(35, 35, 35)
.add(jLabel3)
.addContainerGap(251, Short.MAX_VALUE))
);
jLabel4.setText("You had clicked the Delete button");
org.jdesktop.layout.GroupLayout jDialog2Layout = new org.jdesktop.layout.GroupLayout(jDialog2.getContentPane());
jDialog2.getContentPane().setLayout(jDialog2Layout);
jDialog2Layout.setHorizontalGroup(
jDialog2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jDialog2Layout.createSequentialGroup()
.add(29, 29, 29)
.add(jLabel4)
.addContainerGap(210, Short.MAX_VALUE))
);
jDialog2Layout.setVerticalGroup(
jDialog2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jDialog2Layout.createSequentialGroup()
.add(39, 39, 39)
.add(jLabel4)
.addContainerGap(247, Short.MAX_VALUE))
);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("Welcome to GotMailer");
setLocation(240,180);
jButton1.setText("Save");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("Delete");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jLabel1.setText("User Name:");
jLabel2.setText("Password:");
jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt);
}
});
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(48, 48, 48)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jLabel1)
.add(jLabel2))
.add(26, 26, 26))
.add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
.addContainerGap(86, Short.MAX_VALUE)
.add(jButton1)
.add(35, 35, 35)))
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jButton2)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jTextField2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 95, Short.MAX_VALUE)
.add(jTextField1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 95, Short.MAX_VALUE)))
.add(125, 125, 125))
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
.add(63, 63, 63)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel1)
.add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(40, 40, 40)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
.add(jLabel2)
.add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 59, Short.MAX_VALUE)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jButton2)
.add(jButton1))
.add(75, 75, 75))
);
pack();
}// </editor-fold>
private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
//String a = JTextField1.getText();
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
/* jDialog2.setVisible(true);
jDialog2.setLocation(120,140);
jDialog2.setSize(200,200);*/
String uname = jTextField1.getText();
System.out.println("the uname is:"+uname);
String pwd = jTextField2.getText();
System.out.println("the pwd is:"+pwd);
Connection con = DB.getConnection();
try{
Statement stmt = con.createStatement();
String query = "select * from userinfo";
ResultSet rs = stmt.executeQuery(query);
while(rs.next()){
if(rs.getString(1).trim().equalsIgnoreCase(uname.trim())){
if(rs.getString(2).trim().equalsIgnoreCase(pwd.trim())){
System.out.println("valid username and password");
//uname.setText("");
// pwd.setText("");
}
else{
System.out.println("Invalid username and passsword");
//uname.setText("");
//pwd.setText("");
}
}
}
}
catch(Exception e){
}
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
/* jDialog1.setVisible(true);
jDialog1.setLocation(120,140);
jDialog1.setSize(200,200);*/
String uname = jTextField1.getText();
System.out.println("the uname is:"+uname);
String pwd = jTextField2.getText();
System.out.println("the pwd is:"+pwd);
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new sasi().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JDialog jDialog1;
private javax.swing.JDialog jDialog2;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField2;
//private Connection cons;
/*private Statement stmt;
private ResultSet rs;
private String query;*/
// End of variables declaration
}
class DB
{
public static Connection con;
public static Connection getConnection(){
String url = "jdbc:Microsoft:sqlserver:http://localhost;databaseName=sms";
String username = "sa";
String password = "";
try{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
con = DriverManager.getConnection(url,username,password);
System.out.println("Database connected");
}
catch(ClassNotFoundException e){
e.printStackTrace();
//System.err.println("Failed to load JDBC Driver"+e.getMessage());
}
catch(SQLException ed){
System.out.println(ed.getMessage());
}
return con;
}
public static void closeDB(Connection con)
{
if(con != null)
{
try{
con.close();
}
catch(SQLException e)
{
System.out.println(e.getMessage());
}
con = null;
}
}
}
Well i dont know why it is showing that no driver found from the above code, kindly help me on this issue.
regards,
sasi.


