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Boton Eliminar Java NetBeans-Mysql
Didier Francisco Orjuela Lopez (20/10/2012 07:32:02)
668 visitas
4 respuestas

omar (05/01/2013 01:27:03)

Daniel Efrén (05/01/2013 14:25:32)

Boton ELIMINAR Java NetBeans Mysql
omar (10/01/2013 18:11:36)

Boton ELIMINAR Java NetBeans Mysql
omar (27/01/2013 02:29:31)

0 Asunto: Boton Eliminar Java NetBeans-Mysql
Autor: Didier Francisco Orjuela Lopez (2 intervenciones)
Fecha: 20/10/2012 07:32:02
Buenas Noches
Necesito un favor urgente, este es
Tengo esta interfaz http://sdrv.ms/TErsgi
El programa consta de una conexion entre Java Netbeans y Mysql
tengo 5 campos en las tabla contrato de mysql ya tengo el boyonactualizar y este los muestra en la
tabla.
Necesito saber el codigo para poder eliminar por numero contrato (numero contrato tiene
auto:incremento en mysql)
Tambien poder ordenar por numero contrato y el boton buscar les agardeceria mucho cualquier
tipo de ayuda
ste es el codigo que tengo:
Cree una clase conectar esta es donde llamo la base de datos esta se llama icasaf dentro de esta esta la

tabla contrato
importjava.sql.Connection;
importjava.sql.DriverManager;
importjavax.swing.*;
importjava.sql.*;

/**
*
* @authorUser
*/
publicclass conectar {

Connectionconect = null;

public Connectionconexion()
{
try {

Class.forName("org.gjt.mm.mysql.Driver");
conect= DriverManager.getConnection("jdbc:mysql://localhost/icasaf", "root","12345" );
//JOptionPane.showMessageDialog(null, "Conectado");

}
catch (Exception e) {
JOptionPane.showMessageDialog(null, "Error"+e);

}
returnconect;

}

}

Este es el codigo que tengo
importjava.sql.*;
importjava.util.logging.Level;
importjava.util.logging.Logger;
importjavax.swing.*;

importjavax.swing.table.DefaultTableModel;
/**
*
* @authorUser
*/
publicclass Contrato extends javax.swing.JFrame {
DefaultTableModel model;
/**
* Creates new form Contrato
*/
void cargar(String valor) {

String titulos [] = {"Numero", "Tipo", "Fecha", "T. Pago", "Codigo Cliente"};
String [] registros = new String [5];
String sql = "select*from contrato where N_CONT LIKE '%" +valor+"%'";
model = new DefaultTableModel(null, titulos);
conectar cc=new conectar();
Connection cn = cc.conexion();
try {
Statement st = cn.createStatement();
ResultSet rs = st.executeQuery(sql);

while (rs.next()){
registros[0]=rs.getString("N_CONT");
registros[1]=rs.getString("TIP_CONT");
registros[2]=rs.getString("FECH_CONT");
registros[3]=rs.getString("TIPPAGO_CONT");
registros[4]=rs.getString("COD_CLIE");

model.addRow(registros);

}
t_datos.setModel(model);

} catch (SQLException ex) {
JOptionPane.showMessageDialog(null, ex);

}
}
public Contrato() {
initComponents();
limpiar();
bloquear();
cargar("");
}
void limpiar(){

T1.setText("");
T2.setText("");

T3.setText("");
T4.setText("");

}
void bloquear() {

T1.setEnabled(false);
jButton1.setEnabled(true);
b2.setEnabled(false);
jButton3.setEnabled(false);
}

void desbloquear() {
T1.setEnabled(true);
jButton1.setEnabled(false);
b2.setEnabled(true);
jButton3.setEnabled(true);
}
/**
* 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">
private void initComponents() {

jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
T1 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
b2 = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
t_datos = new javax.swing.JTable();
aux = new javax.swing.JTextField();
jTextField6 = new javax.swing.JTextField();
jRadioButton1 = new javax.swing.JRadioButton();
jRadioButton2 = new javax.swing.JRadioButton();
jComboBox1 = new javax.swing.JComboBox();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jPanel1.setBackground(new java.awt.Color(51, 51, 51));
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "Contrato",
javax.swing.border.TitledBorder.CENTER, javax.swing.border.TitledBorder.TOP, new
java.awt.Font("Comic Sans MS", 1, 18), new java.awt.Color(204, 204, 204))); // NOI18N
jPanel1.setForeground(new java.awt.Color(204, 204, 204));

jLabel1.setBackground(new java.awt.Color(51, 51, 51));
jLabel1.setText("Numero:");

jLabel2.setText("Tipo:");

jLabel3.setText("Fecha:");

jLabel4.setText("Tipo De Pago:");

jLabel5.setText("Codigo Cliente:");

T1.setBackground(new java.awt.Color(51, 51, 51));
T1.setForeground(new java.awt.Color(204, 204, 204));
T1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
T1ActionPerformed(evt);
}
});

}
});

}
});

}
});

jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/Inmocasaf/Agre.png"))); //
NOI18N
jButton1.setText("Nuevo");
jButton1.addActionListener(new java.awt.event.ActionListener() {
jButton1ActionPerformed(evt);
}
});

b2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/Inmocasaf/Guar.png"))); // NOI18N
b2.setText("Agregar");
b2.addActionListener(new java.awt.event.ActionListener() {
b2ActionPerformed(evt);
}
});

jButton3.setIcon(new javax.swing.ImageIcon(getClass().getResource("/Inmocasaf/Cancelar.png"))); //
NOI18N
jButton3.setText("Cancelar");
}
});

jButton4.setIcon(new javax.swing.ImageIcon(getClass().getResource("/Inmocasaf/Candado.png"))); //
NOI18N
jButton4.setText("Salir");
}
});

t_datos.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{},
{},
{},
{}
},
new String [] {

}
));
jScrollPane1.setViewportView(t_datos);

jLabel6.setForeground(new java.awt.Color(0, 153, 153));
jLabel6.setText("Auto_Incremento");


jLabel7.setText("_______________________________________________________________________
___________________");

jLabel8.setText("Buscar Por Numero Contrato:");

aux.setBackground(new java.awt.Color(0, 0, 0));
aux.setForeground(new java.awt.Color(0, 102, 102));
aux.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyReleased(java.awt.event.KeyEvent evt) {
auxKeyReleased(evt);
}
});

jLabel9.setText("Eliminar Por Numero Contaro:");

jTextField6.setBackground(new java.awt.Color(0, 0, 0));
jTextField6.setForeground(new java.awt.Color(0, 102, 102));

jButton5.setText("Eliminar");

}
});

jRadioButton1.setBackground(new java.awt.Color(51, 51, 51));
jRadioButton1.setForeground(new java.awt.Color(204, 204, 204));
jRadioButton1.setText("Inicio");
jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
jRadioButton1ActionPerformed(evt);
}
});

jRadioButton2.setBackground(new java.awt.Color(51, 51, 51));
jRadioButton2.setForeground(new java.awt.Color(204, 204, 204));
jRadioButton2.setText("Opciones Mysql.");
jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
jRadioButton2ActionPerformed(evt);
}
});

jButton2.setText("Buscar");

jLabel10.setText("Ordenar POr:");

jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Tipo Contrato",
"Numero de Contrato", "Codigo Cliente" }));

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addContainerGap()

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)


.addComponent(jLabel3)

.addComponent(jLabel5))
.addGap(18, 18, 18)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(T2)
.addComponent(T1)
.addComponent(T4)
.addComponent(T3)
.addComponent(jLabel6, javax.swing.GroupLayout.DEFAULT_SIZE, 236,
Short.MAX_VALUE)))
.addComponent(jRadioButton1)
.addGap(18, 18, 18)
.addComponent(jRadioButton2)))
.addGap(47, 47, 47)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 145,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(b2, javax.swing.GroupLayout.PREFERRED_SIZE, 145,
javax.swing.GroupLayout.PREFERRED_SIZE)))
.addComponent(jScrollPane1)
.addComponent(jLabel7, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))


.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING,
jPanel1Layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE, 226,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jLabel8, javax.swing.GroupLayout.PREFERRED_SIZE, 150,
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(aux)))
.addContainerGap()
.addGap(70, 70, 70)
.addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, 176,
.addGap(29, 29, 29)

.addComponent(jButton5, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton2)
.addGap(0, 0, Short.MAX_VALUE)))))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(aux, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(jButton2))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton5, javax.swing.GroupLayout.DEFAULT_SIZE,
.addGap(30, 30, 30))

.addComponent(jTextField6, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,
.addGap(18, 18, 18))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))))
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 160,
.addGap(3, 3, 3)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,
false)

.addComponent(jLabel6))
.addGap(18, 18, 18)

.addComponent(T1, javax.swing.GroupLayout.PREFERRED_SIZE, 20,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)

.addComponent(T2, javax.swing.GroupLayout.PREFERRED_SIZE,
.addGap(18, 18, 18)

.addGap(18, 18, 18)


.addComponent(jRadioButton1)

.addComponent(jRadioButton2)))
.addComponent(b2, javax.swing.GroupLayout.PREFERRED_SIZE, 43,
.addContainerGap())
);

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.PREFERRED_SIZE,
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.Alignment.TRAILING,
javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
);

pack();
}// </editor-fold>

private void T1ActionPerformed(java.awt.event.ActionEvent evt) {
T1.transferFocus();
// TODO add your handling code here:
}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
desbloquear();
T1.requestFocus(); // TODO add your handling code here:
}

T2.transferFocus(); // TODO add your handling code here:
}

}

}

bloquear();
}

this.dispose();
}

private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {

new Inicio().setVisible(true);
}

private void jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) {

new Javamysql().setVisible(true); // TODO add your handling code here:
}

private void b2ActionPerformed(java.awt.event.ActionEvent evt) {
conectar cc = new conectar();
Connection cn = cc.conexion();

String TIP_CONT,FECH_CONT, TIPPAGO_CONT, COD_CLIE;
String sql="";

TIP_CONT = T1.getText();
FECH_CONT = T2.getText();
TIPPAGO_CONT = T3.getText();
COD_CLIE = T4.getText();

sql = "INSERT INTO contrato (`Tip_cont`,`Fech_cont`,`Tippago_cont`,`Cod_clie`) VALUES (?,?,?,? )";
try {
PreparedStatement pst = cn.prepareStatement(sql);
pst.setString(1, TIP_CONT);
pst.setString(2, FECH_CONT);
pst.setString(3, TIPPAGO_CONT);
pst.setString(4, COD_CLIE);

int a = pst.executeUpdate();
if (a>0){
JOptionPane.showMessageDialog(null ,"Registro Guardado Con exito");

bloquear();
cargar("");
limpiar();

}
} catch (SQLException ex) {
Logger.getLogger(Inmueble.class.getName()).log(Level.SEVERE, null, ex);
}

// TODO addyourhandlingcodehere:
}

privatevoidauxKeyReleased(java.awt.event.KeyEventevt) {
cargar(aux.getText()); // TODO addyourhandlingcodehere:
}
http://www.lawebdelprogramador.com/img/btn_previsualizar.png

En verdad agradecería toto tipo de ayuda

Java

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