Mini Shell

               <div class="col-lg-4 col-md-12">
                            <div class="card">
                                <div class="card-header card-header-icon" data-background-color="rose">
                                    <i class="fad fa-users-class fa-2x"></i>                                   
                                </div>
                                    <?php
                                         $sql = "SELECT * FROM level_class";
                                         $result = mysqli_query($link2, $sql);                                        
                                        ?>
                                 <div class="card-content">
                                     <form class="form-horizontal" id="form_report1" action="subject_report.php" method="get" >                                      
                                        <div class="row">
                                            <label class="col-md-3 label-on-left">เลือกชั้นเรียน</label>
                                            <div class="col-md-9">
                                                   <select name="class" id="class" class="form-control" data-style="btn btn-info btn-round" required> 
                                                       <option value="" selected>กรุณาเลือกชั้นเรียน...</option>
                                                      <?php
                                                          while ($row = mysqli_fetch_array($result,MYSQLI_NUM)){
		                                           echo "<option value='$row[0]'>$row[1]</option>";
	                                                        }
	                                                    mysqli_close($dbcon);
                                                               ?>                                                               
                                                   </select>
                                            </div>
                                        </div>

                                        <div class="row">
                                            <label class="col-md-3"></label>
                                            <div class="col-md-9">
                                                <div class="form-group form-button">
                                                    <button type="submit"  class="btn btn-fill btn-rose"><i class="fal fa-save fa-lg"></i> แสดง</button>
                                     
                                                </div>
                                            </div>
                                        </div>
                                    </form>
                                </div>
                            </div>
                        </div>