modificar.java

ejemplo de java para conexion a base de datos

/*
 * modificar.java
 *
 * Created on 26 de junio de 2004, 02:48 AM
 */

/**
 *
 * @author  GeBuSe
 */
import javax.swing.table .*;
import java.sql.*;
public class modificar extends javax.swing.JDialog {
    Connection acon;
    /** Creates new form modificar */
    public modificar(java.awt.Frame parent, boolean modal,Connection pcon) {
        super(parent, modal);
        initComponents();
        setSize(500, 400);
        acon=pcon;
    }
    
    /** 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.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        jButton1 = new javax.swing.JButton();
        label1 = new java.awt.Label();
        rutt = new javax.swing.JTextField();
        p_nombre = new javax.swing.JTextField();
        ap_paterno = new javax.swing.JTextField();
        label2 = new java.awt.Label();
        label3 = new java.awt.Label();

        getContentPane().setLayout(null);

        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closeDialog(evt);
            }
        });

        jButton1.setText("modificar");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        getContentPane().add(jButton1);
        jButton1.setBounds(130, 50, 120, 26);

        label1.setText("Ingresa El Rut");
        getContentPane().add(label1);
        label1.setBounds(10, 20, 130, 20);

        getContentPane().add(rutt);
        rutt.setBounds(160, 20, 150, 20);

        getContentPane().add(p_nombre);
        p_nombre.setBounds(170, 90, 110, 20);

        getContentPane().add(ap_paterno);
        ap_paterno.setBounds(170, 170, 110, 20);

        label2.setText("nombre");
        getContentPane().add(label2);
        label2.setBounds(30, 90, 130, 20);

        label3.setText("apellido");
        getContentPane().add(label3);
        label3.setBounds(30, 170, 110, 20);

        pack();
    }//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
String rut;
Statement stmt;
ResultSet rs;
String consulta;
try{
stmt = acon.createStatement();  


consulta ="update persona set p_nombre='"+p_nombre.getText()+"', ap_paterno='"+ap_paterno.getText()+"' where rut='"+rutt.getText()+"'";
stmt.executeUpdate(consulta);
stmt.close();
        }
        catch (SQLException ex)
        {
            System.out.println("Hubo un error en la consulta ... :"+ex);
        } 

    }//GEN-LAST:event_jButton1ActionPerformed
    
    /** Closes the dialog */
    private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog
        setVisible(false);
        dispose();
    }//GEN-LAST:event_closeDialog
    
    /**
     * @param args the command line arguments
     */
  /*  public static void main(String args[]) {
        new modificar(new javax.swing.JFrame(), true).show();
    }*/    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextField ap_paterno;
    private javax.swing.JButton jButton1;
    private java.awt.Label label1;
    private java.awt.Label label2;
    private java.awt.Label label3;
    private javax.swing.JTextField p_nombre;
    private javax.swing.JTextField rutt;
    // End of variables declaration//GEN-END:variables
    
}