adapun kode untuk programnya adalah sbb:
package project_penjualan;
import javax.swing.JTable.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.JOptionPane;
import java.text.*;
import java.sql.*;
/**
*
* @author ismail
*/
public class login extends javax.swing.JFrame {
/** Creates new form login */
public login() {
initComponents();
}
kode untuk tombol keluar:
private void bkeluarActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
System.exit(1);
}
private void bokActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
try{
ConekDB getCn=new ConekDB();
Connection Cn=getCn.konek();
Statement st=Cn.createStatement();
String SQL="select*from operator where kdoperator='"+txtkdoperator.getText().trim()+
"'&& Passid='"+txtpassword.getText().trim()+"'";
ResultSet rs=st.executeQuery(SQL);
if(rs.next()){
fromOperator mn=new fromOperator();
mn.setVisible(true);
dispose();
}
else{
JOptionPane.showMessageDialog(null,"salah boz");
}
st.close();
Cn.close();
rs.close();
}catch(Exception exc){
System.err.println(exc.getMessage());
}
txtkdoperator.requestFocus();
}


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