Contoh source code java netbeans IDE untuk TOMBOL DELETE

private void hapusActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_hapusActionPerformed
        int ok = JOptionPane.showConfirmDialog(null, "Anda Yakin Akan Menghapus Data Ini ??? ","",JOptionPane.YES_NO_OPTION);
        if (ok==0){

            try {
                koneksidb();
                sql = "delete from dbmeninggal where no_ktp='"+vnoktp.getSelectedItem().toString()+"'";
                st.execute(sql);
                kosong();
                JOptionPane.showMessageDialog(null, "Data Sudah Dihapus");

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

        }
    }//GEN-LAST:event_hapusActionPerformed