dt_user.php

                <thead>
                    <tr>
                        <th>Username</th>
                        <th>Usergroup</th>
                        <th>Action</th>
                    </tr>
                </thead>
                <tbody>
                    <?php
                        $queryuser = mysqli_query ($konek, "SELECT Id_User, Username, Id_Usergroup_User, Id_Usergroup, Nama_Usergroup FROM user INNER JOIN usergroup ON Id_Usergroup_User=Id_Usergroup");
                        if($queryuser == false){
                            die ("Terjadi Kesalahan : ". mysqli_error($konek));
                        }
                        while ($user = mysqli_fetch_array ($queryuser)){

                            echo "
                                <tr>
                                    <td>$user[Username]</td>
                                    <td>$user[Nama_Usergroup]</td>
                                    <td>
                                ";
                                if($user["Id_User"]==$_SESSION["Id_User"]){
                                    echo "
                                        <a href='#'>Disable</a>";
                                }else{
                                    echo "
                                        <a href='#' onClick='confirm_delete(\"user_delete.php?Id_User=$user[Id_User]\")'>Delete</a>";
                                }
                            echo
                                "
                                    </td>
                                </tr>";
                        }
                    ?>
                </tbody>