Select / SelectAll delete Not working in PHP MySQL / AJAX Jquery -


good day, can't seem understand why isn't working. i've set files able read database, won't delete. managed select button work, won't let me delete.

here's code.

php delete

<?php  session_start();  include_once('dbconfig.php');  if(isset($_post['bulk_delete_submit'])){      $idarr = $_post['checked_id'];      foreach($idarr $id){          mysqli_query($conn,"delete appointments id=".$id);      }      $_session['success_msg'] = 'users have been deleted successfully.';      header("location:display.php");  }  ?>

here's data being sent display page.

<html>  <head>      <script type="text/javascript" src="delete.js"></script>  </head>  <body>    <?php session_start(); if(!empty($_session['success_msg'])){ ?>  <div class="alert alert-success"><?php echo $_session['success_msg']; ?></div>  <?php unset($_session['success_msg']); } ?>  <?php  include_once('dbconfig.php');  $query = mysqli_query($conn,"select * appointments");  ?>  <?php     $connect = mysqli_connect("localhost", "root", "root", "appointments");     $output = '';     $sql = "select * appointments order id desc";     $result = mysqli_query($connect, $sql);     $output .= '  <form name="bulk_action_form" action="delete_multiple.php" method="post" onsubmit="return delete_confirm();"/>        <div class="table-responsive">               <table class="table table-bordered">                    <tr>                         <th><input type="checkbox" name="select_all" id="select_all" value=""/></th>                         <th width="10%">id</th>                         <th width="40%">name</th>                         <th width="40%">email</th>                         <th width="40%">address</th>                         <th width="10%">phonenumber</th>                         <th width="10%">appointmenttime</th>                        <th width="10%">appointmentdate</th>                        <th width="50%">message</th>                                              </tr>';                                 if(mysqli_num_rows($result) > 0)                                 {                                      while($row = mysqli_fetch_assoc($result))                                      {                                           $output .= '                                                                       <tr data-row-id="'.$row["id"].'">                        <td align="center"><input type="checkbox" name="checked_id[]" class="checkbox" value="'.$row["id"].'"/></td>                       <td>'.$row["id"].'</td>                       <td class="name" data-id1="'.$row["id"].'" contenteditable>'.$row["name"].'</td>                         <td class="email" data-id2="'.$row["id"].'" contenteditable>'.$row["email"].'</td>                       <td class="address" data-id2="'.$row["id"].'" contenteditable>'.$row["address"].'</td>                         <td class="phonenumber" data-id2="'.$row["id"].'" contenteditable>'.$row["phonenumber"].'</td>                         <td class="appointmenttime" data-id2="'.$row["id"].'" contenteditable>'.$row["appointmenttime"].'</td>                         <td class="appointmentdate" data-id2="'.$row["id"].'" contenteditable>'.$row["appointmentdate"].'</td>                       <td class="message" data-id2="'.$row["id"].'" contenteditable>'.$row["message"].'</td>                                         </tr>               ';          }                                                                         }     else     {            $output .= '<tr><td colspan="10">data not found</td></tr>';     }         $output .= '</table>  <div align="center">                     <input type="submit" class="btn btn-danger" name="bulk_delete_submit" value="delete"/>                      </div>          </div>    ';     echo $output;     ?>        </body>  </html>

here's javascript

function delete_confirm(){  	var result = confirm("are sure delete users?");  	if(result){  		return true;  	}else{  		return false;  	}  }    $(document).ready(function(){      $('#select_all').on('click',function(){          if(this.checked){              $('.checkbox').each(function(){                  this.checked = true;              });          }else{               $('.checkbox').each(function(){                  this.checked = false;              });          }      });  	  	$('.checkbox').on('click',function(){  		if($('.checkbox:checked').length == $('.checkbox').length){  			$('#select_all').prop('checked',true);  		}else{  			$('#select_all').prop('checked',false);  		}  	});  });    $(document).ready(function(){      $('#select_all').on('click',function(){          if(this.checked){              $('.checkbox').each(function(){                  this.checked = true;              });          }else{               $('.checkbox').each(function(){                  this.checked = false;              });          }      });  	  	$('.checkbox').on('click',function(){  		if($('.checkbox:checked').length == $('.checkbox').length){  			$('#select_all').prop('checked',true);  		}else{  			$('#select_all').prop('checked',false);  		}  	});  });

also, if may.. here's display page js of table found.

<?php      require("config.php");      if(empty($_session['user']))       {          header("location: success.php");          die("redirecting index.php");       }  ?>    <!doctype html>  <html lang="en">    <head>        <meta charset="utf-8">      <meta http-equiv="x-ua-compatible" content="ie=edge">      <meta name="viewport" content="width=device-width, initial-scale=1">      <meta name="description" content="">      <meta name="author" content="">      <title></title>      <link href="css/bootstrap.min.css" rel="stylesheet">        <link href="css/simple-sidebar.css" rel="stylesheet">      <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>                </head>    <body>        <div id="wrapper">            <!-- sidebar -->          <div id="sidebar-wrapper">              <ul class="sidebar-nav">                  <li class="sidebar-brand">                      <a href="#">                          hope medi clinic                      </a>                  </li>                  <li>                      <a href="logout.php">logout</a>                  </li>                  <li>                      <a href="../../appointments/">main website</a>                  </li>              </ul>          </div>          <!-- /#sidebar-wrapper -->            <!-- page content -->                     <div class="container">                    <br />                    <br />                    <br />                    <div class="table-responsive">                         <h3 align="center">appointments</h3><br />                        <div id="live_data"></div>                       <a href="#menu-toggle" class="btn btn-default" id="menu-toggle">toggle menu</a>                  </div>               </div>            <!-- /#page-content-wrapper -->        </div>            <script>    $(document).ready(function(){          function fetch_data()          {               $.ajax({                    url:"select.php",                    method:"post",                    success:function(data){                         $('#live_data').html(data);                    }               });          }          fetch_data();          function edit_data(id, text, column_name)          {               $.ajax({                    url:"edit.php",                    method:"post",                    data:{id:id, text:text, column_name:column_name},                    datatype:"text",                    success:function(data){                         alert(data);                    }               });          }         /* ............. */        $(document).on('blur', '.name', function(){               var id = $(this).data("id1");               var name = $(this).text();               edit_data(id, name, "name");          });                 $(document).on('blur', '.email', function(){               var id = $(this).data("id2");               var email = $(this).text();               edit_data(id, email, "email");          });       $(document).on('blur', '.address', function(){               var id = $(this).data("id2");               var address = $(this).text();               edit_data(id, address, "address");                      });       $(document).on('blur', '.phonenumber', function(){               var id = $(this).data("id2");               var phonenumber = $(this).text();               edit_data(id, phonenumber, "phonenumber");          });       $(document).on('blur', '.appointmenttime', function(){               var id = $(this).data("id2");               var appointmenttime = $(this).text();               edit_data(id, appointmenttime, "appointmenttime");          });       $(document).on('blur', '.appointmentdate', function(){               var id = $(this).data("id2");               var appointmentdate = $(this).text();               edit_data(id, appointmentdate, "appointmentdate");          });       $(document).on('blur', '.message', function(){               var id = $(this).data("id2");               var message = $(this).text();               edit_data(id, message, "message");          });              $(document).on('click', '.btn_delete', function(){               var id=$(this).data("id3");               if(confirm("are sure want delete this?"))               {                    $.ajax({                         url:"delete.php",                         method:"post",                         data:{id:id},                         datatype:"text",                         success:function(data){                              alert(data);                              fetch_data();                         }                    });               }          });                       });      </script>          <script>      $("#menu-toggle").click(function(e) {          e.preventdefault();          $("#wrapper").toggleclass("toggled");      });  </script>    </body>    </html>

questions:

  • why did repeat script third given code?
  • what purpose of ajax in last given code if have script delete confirmation in third given code?
  • i assume first given code delete_multiple.php
  • where button has class tag of btn_delete?
  • do receive error browser's console?

first, lets assume delete button below user's table batch deletion. remove redundant script , make sure include jquery file because running jquery script.

<script src="jquery-1.9.1.min.js"></script>

then want have delete button each row? purpose of ajax in last given code, right?

lets add new column delete button (single deletion):

.... <td class="appointmentdate" data-id2="'.$row["id"].'" contenteditable>'.$row["appointmentdate"].'</td> <td class="message" data-id2="'.$row["id"].'" contenteditable>'.$row["message"].'</td> <td><a href="#" data-artid="'.$row["id"].'" class="btn_delete"><span class="glyphicon glyphicon-remove"></span></a></td> ....

so when btn_delete clicked, delete row:

$(document).on('click', '.btn_delete', function(){         var elem = $(this),          id = elem.data("data-artid");        if(confirm("are sure want delete this?"))        {          $.ajax({                url:"delete.php",                method:"post",                data:{id:id},                datatype:"text",                success:function(data){                    elem.closest("tr").hide(200);              }           });       }   });

so in delete.php, have delete query:

mysqli_query($conn,"delete appointments id=".$_post["id"]);

suggestions:


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