UPDATE - Java Fx 2 Database Mysql Xampp

Question

Frist i want thank you very much for help me. for : https://forums.oracle.com/forums/profile.jspa?userID=899491
And several my project almost perfect.
Help my problem please.
1.Login.java - Done
2.Menu_Utama.java - Done
3.Select.java - Done
4.Insert.java - Done
5.Update.java - Done
6.Delete.java - Why after DELETE my rows can't disappear, i want not any texfield, i want if some one click table row and click button row is delete and data disappear too.
Edited by: Tom on Feb 10, 2012 6:08 AM

Answer 1

import javafx.application.*;
import javafx.beans.property.*;
import javafx.collections.*;
import javafx.event.*;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.control.cell.*;
import javafx.scene.input.*;
import javafx.scene.layout.*;
import javafx.stage.*;
import java.sql.*;
import javafx.beans.binding.Bindings;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javax.swing.*;
public class Update extends Application
        final TableView tv = new TableView();
        final TableColumn tc1 = new TableColumn();
        final TableColumn tc2 = new TableColumn();
        final ObservableList <Person> data = FXCollections.observableArrayList();
        final TextField tf1 = new TextField("Nama");
        final TextField tf2 = new TextField("Npm");
        final Button b1 = new Button("Update");
        final Button b2 = new Button("Back");
        private void init ( final Stage s ) throws Exception
                 final Menu_Utama menu_utama = new Menu_Utama();
                 Group g = new Group();   
                 Scene scene = new Scene(g);
                 s.setScene(scene);
                 VBox vb = new VBox(10);
                 b1.setMaxWidth(Double.MAX_VALUE);
                 b2.setMaxWidth(Double.MAX_VALUE);
                 TableColumn<Person, String> tc1 = new TableColumn<Person, String>("Nama");
                 TableColumn<Person, String> tc2 = new TableColumn<Person, String>("Npm");
                 tc1.setCellValueFactory(new PropertyValueFactory<Person, String>("firstName"));
                 tc2.setCellValueFactory(new PropertyValueFactory<Person, String>("lastName"));
                 tv.getColumns().add(tc1);
                 tv.getColumns().add(tc2);
                 tv.setItems(data);
                 tv.getFocusModel().focusedItemProperty().addListener(new ChangeListener<Person>()
                        @Override public void changed(ObservableValue<? extends Person> observable, Person oldValue, Person newValue)
                                if(oldValue != null)
                                        tf1.textProperty().unbindBidirectional(oldValue.firstNameProperty());
                                        tf2.textProperty().unbindBidirectional(oldValue.lastNameProperty());
                                if(newValue != null)
                                        tf1.textProperty().bindBidirectional(newValue.firstNameProperty());
                                        tf2.textProperty().bindBidirectional(newValue.lastNameProperty());
                 b1.setOnAction(new EventHandler<ActionEvent>()
                        @Override public void handle(ActionEvent e)
                                if(e.getSource()== b1)
                                        try
                                                String nama = tf1.getText();
                                                String npm = tf2.getText();
                                                Class.forName ("com.mysql.jdbc.Driver");
                                                Connection c = DriverManager.getConnection("jdbc:mysql://localhost/mahasiswa","root","");  
                                                String sql="update data set nama ='"+nama+"', npm ='"+npm+"' where nama ='"+nama+"'or npm ='"+npm+"'";                                                                                                          
                                                Statement s = c.createStatement();                                                     
                                                s.executeUpdate(sql);                                                      
                                                s.close();
                                                c.close();
                                                JOptionPane.showMessageDialog(null,  "Data berhasil diupdate");
                                        catch (Exception ex)
                                                //Logger.getLogger(Menu_Utama.class.getName()).log(Level.SEVERE, null, ex);
                 b2.setOnAction(new EventHandler<ActionEvent>()
                        @Override public void handle(ActionEvent e)
                                if(e.getSource()== b2)
                                        try
                                                menu_utama.start(s);
                                        catch (Exception ex)
                                                //Logger.getLogger(Menu_Utama.class.getName()).log(Level.SEVERE, null, ex);
                 vb.getChildren().addAll(tv,tf1,tf2,b1,b2);
                 g.getChildren().add(vb);
                 tampil();
        @Override public void start ( Stage  s ) throws Exception
                init(s);
                s.show();
         public class Person
                private StringProperty firstName;
                private StringProperty lastName;
                public Person(String firstName, String lastName)
                        setFirstName(firstName);
                        setLastName(lastName);
                public final void setFirstName(String value)
                        firstNameProperty().set(value);
                public String getFirstName()
                        return firstNameProperty().get();
                public StringProperty firstNameProperty()
                         if(firstName == null)
                                firstName = new SimpleStringProperty(this, "firstName");
                         return firstName;
                //=======================================================
                public final void setLastName(String value)
                         lastNameProperty().set(value);
                public String getLastName()
                        return lastNameProperty().get();
                public StringProperty lastNameProperty()
                        if(lastName == null)
                                lastName = new SimpleStringProperty(this, "lastName");
                        return lastName;
        public void tampil()
                try
                        Class.forName ("com.mysql.jdbc.Driver");
                        Connection c = DriverManager.getConnection("jdbc:mysql://localhost/mahasiswa","root","");  
                        Statement s = c.createStatement();                       
                        String sql ="select * from data";
                        ResultSet rs = s.executeQuery(sql);
                        while (rs.next())
                                data.add(new Person(rs.getString(1), rs.getString(2)));
                        rs.close();
                        c.close();
                        //JOptionPane.showMessageDialog(null,  "Data berhasil dilihat");
                catch (Exception e)
        public static void main ( String [] arguments )
                launch ( arguments );
    }