CREATE A DATABASE "addItemDB.mdb" IN MS-ACCESS.
CREATE A TABLE "persons" with the following fields
id- Auto Number
firstName-Text
middleName-Text
familyName-Text
Age- Number
SAVE THE DATABASE.
TYPE THE FOLLOWING CODE IN THE NOTEPAD AND RUN THE PROGRAM
//Java Core Package
import javax.swing.*;
//Java Extension Package
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class addItemToDatabase extends JFrame {
//Initializing Components
private JTextField inputs[];
private JButton add, reset;
private JLabel labels[];
private String fldLabel[] = {"First Name: ","Middle Name: ","Family Name: ","Age: "};
private JPanel p1;
Connection con;
Statement st;
ResultSet rs;
String db;
//Setting up GUI
public addItemToDatabase() {
//Setting up the Title of the Window
super("Adding Data to the Database");
//Set Size of the Window (WIDTH, HEIGHT)
setSize(300,180);
//Exit Property of the Window
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Constructing Components
inputs = new JTextField[4];
labels = new JLabel[4];
add = new JButton("Add");
reset = new JButton("Reset");
p1 = new JPanel();
//Setting Layout on JPanel 1 with 5 rows and 2 column
p1.setLayout(new GridLayout(5,2));
//Setting up the container ready for the components to be added.
Container pane = getContentPane();
setContentPane(pane);
//Setting up the container layout
GridLayout grid = new GridLayout(1,1,0,0);
pane.setLayout(grid);
//Creating a connection to MS Access and fetching errors using "try-catch" to check if it is successfully connected or not.
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
db = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=addItemDB.mdb;";
con = DriverManager.getConnection(db,"","");
st = con.createStatement();
JOptionPane.showMessageDialog(null,"Successfully Connected to Database","Confirmation", JOptionPane.INFORMATION_MESSAGE);
} catch (Exception e) {
JOptionPane.showMessageDialog(null,"Failed to Connect to Database","Error Connection", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}
//Constructing JLabel and JTextField using "for loop" in their desired order
for(int count=0; count<inputs.length && count<labels.length; count++) {
labels[count] = new JLabel(fldLabel[count]);
inputs[count] = new JTextField(20);
//Adding the JLabel and the JTextFied in JPanel 1
p1.add(labels[count]);
p1.add(inputs[count]);
}
//Implemeting Even-Listener on JButton add
add.addActionListener(
new ActionListener() {
//Handle JButton event if it is clicked
public void actionPerformed(ActionEvent event) {
if (inputs[0].getText().equals("") || inputs[1].getText().equals("") || inputs[2].getText().equals("") || inputs[0].getText() == null || inputs[1].getText() == null || inputs[2].getText() == null)
JOptionPane.showMessageDialog(null,"Fill up all the Fields","Error Input", JOptionPane.ERROR_MESSAGE);
else
try {
String add = "insert into person (firstName,middleName,familyName,age) values ('"+inputs[0].getText()+"','"+inputs[1].getText()+"','"+inputs[2].getText()+"',"+inputs[3].getText()+")";
st.execute(add); //Execute the add sql
Integer.parseInt(inputs[3].getText()); //Convert JTextField Age in to INTEGER
JOptionPane.showMessageDialog(null,"Item Successfully Added","Confirmation", JOptionPane.INFORMATION_MESSAGE);
}catch (NumberFormatException e) {
JOptionPane.showMessageDialog(null,"Please enter an integer on the Field AGE","Error Input", JOptionPane.ERROR_MESSAGE);
}catch (Exception ei) {
JOptionPane.showMessageDialog(null,"Failure to Add Item. Please Enter a number on the Field AGE","Error Input", JOptionPane.ERROR_MESSAGE);
}
}
}
);
//Implemeting Even-Listener on JButton reset
reset.addActionListener(
new ActionListener() {
//Handle JButton event if it is clicked
public void actionPerformed(ActionEvent event) {
inputs[0].setText(null);
inputs[1].setText(null);
inputs[2].setText(null);
inputs[3].setText(null);
}
}
);
//Adding JButton "add" and "reset" to JPanel 1 after the JLabel and JTextField
p1.add(add);
p1.add(reset);
//Adding JPanel 1 to the container
pane.add(p1);
/**Set all the Components Visible.
* If it is set to "false", the components in the container will not be visible.
*/
setVisible(true);
}
//Main Method
public static void main (String[] args) {
addItemToDatabase aid = new addItemToDatabase();
}
}
No comments:
Post a Comment