Database storage

[haran22]

verify and tell me what runtime error in this pgm

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.sql.*;

public class screen extends Applet implements ActionListener
{
TextField t1,t2,t3;
Label l1,l2,l3;
Button b1;




public void init()
{
t1=new TextField();
t2=new TextField();
t3=new TextField();
l1=new Label("Enter A:");
l2=new Label("Enter B:");
l3=new Label("Result is:");
b1=new Button("ok");
add(l1);
add(t1);
add(l2);
add(t2);
add(l3);
add(t3);
add(b1);
b1.addActionListener(this);
}
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource()==b1)
{
String a1=t1.getText();
String a2=t2.getText();
System.out.println(a1);
System.out.println(a2);
int c=Integer.parseInt(a1)+Integer.parseInt(a2);
String c1=String.valueOf(c);

t3.setText(c1);
System.out.println(c);
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn=DriverManager.getConnection("jdbc:odbc:bb");
Statement stmt=conn.createStatement();
stmt.executeUpdate("Insert into screen values('"+a1+"','"+a2+"')");
System.out.println("Records are added");
conn.close();
stmt.close();
}
catch(Exception e)
{
System.out.println(e);
}
}
}
}


//<applet code="screen" width="400" height="300"></applet>

[haran22]

In this program consists of two textfields and one button. when i click the button the data in the 2 textfields wants to store in a datatbase MsAccess.
Plz tell what is that run time error.. any one plz do this.

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;

public class screen extends Applet implements ActionListener
{
TextField t1,t2,t3;
Label l1,l2,l3;
Button b1;



public void init()
{
t1=new TextField();
t2=new TextField();
//t3=new TextField();
l1=new Label("Enter A:");
l2=new Label("Enter B:");
//l3=new Label("Result is:");
b1=new Button("ok");
add(l1);
add(t1);
add(l2);
add(t2);
//add(l3);
//add(t3);
add(b1);
b1.addActionListener(this);
}

public void actionPerformed(ActionEvent ae)
{
if(ae.getSource()==b1)
{
String a1=t1.getText();
String a2=t2.getText();
System.out.println(a1);
System.out.println(a2);
/*int c=Integer.parseInt(a1)+Integer.parseInt(a2);
String c1=String.valueOf(c);
t3.setText(c1);
System.out.println(c);*/
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn=DriverManager.getConnection("jdbc:odbc:bb");
Statement stmt=conn.createStatement();
stmt.executeUpdate("Insert into screen values('"+a1+"','"+a2+"')");
System.out.println("Records are added");
conn.close();
stmt.close();
}
catch(Exception e1)
{
System.out.println(e1);
}
}
}
}



//<applet code="screen" width="400" height="300"></applet>

[r035198x]

verify and tell me what runtime error in this pgm

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import java.sql.*;

public class screen extends Applet implements ActionListener
{
TextField t1,t2,t3;
Label l1,l2,l3;
Button b1;




public void init()
{
t1=new TextField();
t2=new TextField();
t3=new TextField();
l1=new Label("Enter A:");
l2=new Label("Enter B:");
l3=new Label("Result is:");
b1=new Button("ok");
add(l1);
add(t1);
add(l2);
add(t2);
add(l3);
add(t3);
add(b1);
b1.addActionListener(this);
}
public void actionPerformed(ActionEvent ae)
{
if(ae.getSource()==b1)
{
String a1=t1.getText();
String a2=t2.getText();
System.out.println(a1);
System.out.println(a2);
int c=Integer.parseInt(a1)+Integer.parseInt(a2);
String c1=String.valueOf(c);

t3.setText(c1);
System.out.println(c);
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn=DriverManager.getConnection("jdbc:odbc:bb");
Statement stmt=conn.createStatement();
stmt.executeUpdate("Insert into screen values('"+a1+"','"+a2+"')");
System.out.println("Records are added");
conn.close();
stmt.close();
}
catch(Exception e)
{
System.out.println(e);
}
}
}
}


//<applet code="screen" width="400" height="300"></applet>

What exception are you getting?

[r035198x]

ps. please use code tags each time you need to post code. Do not double post questions.


Deleted one of your threads and merged two of them.

[haran22]

I am getting the runtime Exception.
Access denied<java.lang.RunTimePermissionaccessClassInPac kage.sun.jdbc.odbc>
This is the exception occuring while running the program

[r035198x]

I am getting the runtime Exception.
Access denied<java.lang.RunTimePermissionaccessClassInPac kage.sun.jdbc.odbc>
This is the exception occuring while running the program

An applet does not have access to the file system or databases on your computer by default. You need to sign your applet first for it to be granted permission. Google "how to sign java applets".

[haran22]

I didnt find in google search. If any one can plz try that n tell me.. plz plz