public function actionLoadTestResult()
 {
     self::CheckLogin();
     $page = $_REQUEST["page"];
     $course_id = isset($_REQUEST["course_id"]) ? $_REQUEST["course_id"] : NULL;
     $test_kind = isset($_REQUEST["test_kind"]) ? $_REQUEST["test_kind"] : NULL;
     $test_success = isset($_REQUEST["test_success"]) ? $_REQUEST["test_success"] : NULL;
     $results = WUserTest::GetAllTest(10, $page - 1, $course_id, NULL, NULL, $test_kind, "", $test_success);
     $data = $this->renderPartial("blocks/_result", array('data' => $results), true);
     echo json_encode(array("result" => "true", "html" => $data));
 }
<?php

$data = WUserTest::GetAllTest(10, 0, $course_id, NULL, NULL, $test_kind, "", $test_success);
$total = WUserTest::getTotalPages(10, 0, $course_id, NULL, NULL, $test_kind, "", $test_success);
$page = ceil($total / 10);
?>
<table class="table table-hover">
    <thead class="first_thead">
    <tr>
        <th class="col-md-2">Học viên</th>
        <th>Bài kiểm tra</th>
        <th class="col-md-1">Trạng thái</th>
        <th class="col-md-3"><center>Kết quả</center></th>
        <th><center>Điểm</center></th>
        <th>Làm xong bài</th>
        <th></th>
    </tr>
    </thead>
    <tbody class="last_desgin" id="content_data">
    <?php 
if (!empty($data)) {
    ?>
        <?php 
    foreach ($data as $item) {
        ?>
            <tr id="row_testresult_<?php 
        echo $item["id"];
        ?>
">
                <td >
                    <strong><?php