Cara Membuat Tombol Cari dalam Tutorial Pemrograman Java dan Access

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Database di Access

1.      Buat database dengan nama DatabaseMahasiswa2 di Microsoft Access dengan format *.mdb (2002-2003)

2.      Buat tabel berikut:

Field Name	Data Type	Field Size
nomor	Text	3
nama	Text	30

3.      Simpan dengan nama TableMhsCari

4.      Entri data berikut:

Nomor	Nama
101	Cendekia Nagara
102	Fatahillah
103	Ahmad

Membuat Datasource

1.      Start – Control Panel – Administrative Tools

2.      Klik dua kali Data Sources (ODBC)

3.      Add

4.      Klik Driver do Microsoft Access (*.mdb)

5.      Finish

6.      Ketik: DsMhsCari

7.      Select

8.      Cari database yang sudah dibuat di Access, contohnya DatabaseMhsCari

9.      Advanced

10.  Ketik login name: ikhbaar; password: ikhbaar (sesuai keinginan)

11.  OK – OK – OK

Script Koneksi di Netbeans

1.      Masuk ke NetBeans IDE 6.8

2.      File – New Project

3.      Categories: Java; Projects: Java Application

4.      Next

5.      Project Name: JavaApplicationMhsCari;

Project Location: D:\javalat\posting3\JavaAccessCari

6.      Hilangkan centang di Create Main Class

7.      Finish

8.      Di panel Projects

9.      Klik tanda + (expand) di JavaApplicationMhsCari

10.  Klik tanda + di Source Packages

11.  Klik kanan di <default package>

12.  New – Java Package

13.  Package Name: PackageMhsCari

14.  Finish

15.  Klik kanan PackageMhsCari di panel Projects

16.  New – Java Class

17.  Class Name: ClassMhsCari

18.  Finish

19.  Klik dua kali ClassMhsCari di panel Projects

20.  Ketik script koneksi berikut:

/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

package PackageMhsCari;

/**

 *

 * @author komtas

 */

import java.sql.*;

import javax.swing.*;

public class ClassMhsCari {

void testClassMhsCari()

{

try

{

String dbname="jdbc:odbc:DsMhsCari"; // nama ODBC

// ingat-ingat, CobaDatabase adalah nama ODBC kita yang udah kita atur sebelumnya

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

Connection con = DriverManager.getConnection(dbname,"ikhbaar","ikhbaar");

// user n passwordnya

// user database samakan dengan yang kita atur di ODBC tadi, yaitu

// 'ikhbaar', dengan password ' ikhbaar '

JOptionPane.showMessageDialog(null, "Koneksi untuk cari data berhasil","Insert Data",JOptionPane.INFORMATION_MESSAGE);

con.close();

}

catch (Exception e)

{

JOptionPane.showMessageDialog(null, "Error:"+e,"Gagal",JOptionPane.WARNING_MESSAGE);

}

}

public static void main (String args[])

{

ClassMhsCari test = new ClassMhsCari();

test.testClassMhsCari();

System.exit(0);

}

}

21.  Simpan

22.  Run – Run File (untuk menjalankan program)

23.  Hasilnya akan muncul pesan: “Koneksi untuk cari data berhasil”

Desain Form Cari Data

1.      Klik kanan PackageMhsCari – New JFrame Form

2.      Class Name: JFrameMhsCari

3.      Finish

4.      Buat desain sebagai berikut:

5.      Gambar di atas ubah dengan ketentuan:

-          jLabel1®Text: No

-          jLabel2® Text: Nama

-          jTextField1® Text: (Kosongkan); Klik kanan – Change Variable Name: txtNo

-          jTextField2® Text: (Kosongkan); Klik kanan – Change Variable Name: txtNama

-          jButton1® Text: Cari; Klik kanan – Change Variable Name: btnCari

Hasilnya:

Script Tombol Cari

1.      Klik kanan tombol Cari

2.      Klik Events – Action – actionPerformed

3.      Ketik script tombol Cari berikut:

/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

/*

 * JFrameMhsCari.java

 *

 * Created on Aug 28, 2012, 5:37:51 AM

 */

package PackageMhsCari;

import java.sql.*;

import javax.swing.*;

/**

 *

 * @author komtas

 */

public class JFrameMhsCari extends javax.swing.JFrame {

    /** Creates new form JFrameMhsCari */

    public JFrameMhsCari() {

        initComponents();

    }

    /** 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() {

        jLabel1 = new javax.swing.JLabel();

        jLabel2 = new javax.swing.JLabel();

        txtNo = new javax.swing.JTextField();

        txtNama = new javax.swing.JTextField();

        btnCari = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("No");

        jLabel2.setText("Nama");

        btnCari.setText("Cari");

        btnCari.addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                btnCariActionPerformed(evt);

            }

        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

        getContentPane().setLayout(layout);

        layout.setHorizontalGroup(

            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

            .addGroup(layout.createSequentialGroup()

                .addGap(20, 20, 20)

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

                    .addComponent(jLabel1)

                    .addComponent(jLabel2))

                .addGap(42, 42, 42)

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

                    .addComponent(txtNama, javax.swing.GroupLayout.PREFERRED_SIZE, 123, javax.swing.GroupLayout.PREFERRED_SIZE)

                    .addGroup(layout.createSequentialGroup()

                        .addComponent(txtNo, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE)

                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

                        .addComponent(btnCari)))

                .addContainerGap(18, Short.MAX_VALUE))

        );

        layout.setVerticalGroup(

            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

            .addGroup(layout.createSequentialGroup()

                .addContainerGap()

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

                    .addComponent(jLabel1)

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

                    .addComponent(btnCari))

                .addGap(18, 18, 18)

                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

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

                    .addComponent(jLabel2))

                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

        );

        pack();

    }// </editor-fold>

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

        // TODO add your handling code here:

String no = txtNo.getText();

try

{

String dbname="jdbc:odbc:DsMhsCari";

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

Connection con = DriverManager.getConnection(dbname,"ikhbaar","ikhbaar");

Statement statement = con.createStatement();

String sql="SELECT * FROM TableMhsCari WHERE nomor like '"+no+"'";

ResultSet rs = statement.executeQuery(sql);

if (rs.next())

{

txtNama.setText(rs.getString(2));

JOptionPane.showMessageDialog(null, "Nomor ditemukan","Insert Data",JOptionPane.INFORMATION_MESSAGE);

}

else

{

JOptionPane.showMessageDialog(null, "Nomor tidak ditemukan ","Insert Data",JOptionPane.INFORMATION_MESSAGE);

}

statement.close();

con.close();

}

catch (Exception e)

{

JOptionPane.showMessageDialog(null, "Error:"+e,"Gagal",JOptionPane.WARNING_MESSAGE);

//System.err.println("Exception: "+e.getMessage());

}

    }

    /**

    * @param args the command line arguments

    */

    public static void main(String args[]) {

        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {

                new JFrameMhsCari().setVisible(true);

            }

        });

    }

    // Variables declaration - do not modify

    private javax.swing.JButton btnCari;

    private javax.swing.JLabel jLabel1;

    private javax.swing.JLabel jLabel2;

    private javax.swing.JTextField txtNama;

    private javax.swing.JTextField txtNo;

    // End of variables declaration

}

4.      Simpan

5.      Jalankan program (Run – Run Project)

6.      Akan tampil sebuah form seperti berikut:

7.      Ketik “101” di kotak “No” (Sesuaikan dengan tabel di database access)

8.      Klik tombol Cari

9.      Akan tampil pesan “Nomor ditemukan” dan nama “Cendekia Nagara” di kotak “Nama” seperti gambar berikut:

10.  Selesai

***

Sumber: Tutorial Geje - Koneksi Database Access dengan Java (Pake NetBeans 6.7.1). Nama File: 88155864-Goji-Koneksi-Java-Access-Odbc.

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