i have a table when i want to click a button it get data from database to table i try this code but i get error.

```
    <div class="wrapper wrapper-content animated fadeInRight">
            <div class="row">
                <div class="col-lg-12">
                <div class="ibox float-e-margins">
                    <div class="ibox-title">
                        <h5>Conference Table</h5>
                        <div class="ibox-tools">
                            <a class="collapse-link">
                                <i class="fa fa-chevron-up"></i>
                            </a>
                            <a class="dropdown-toggle" data-toggle="dropdown" href="table_data_tables.php#">
                                <i class="fa fa-wrench"></i>
                            </a>
                            <ul class="dropdown-menu dropdown-user">
                                <li><a href="table_data_tables.php#">Config option 1</a>
                                </li>
                                <li><a href="table_data_tables.php#">Config option 2</a>
                                </li>
                            </ul>
                            <a class="close-link">
                                <i class="fa fa-times"></i>
                            </a>
                        </div>
                    </div>

                    <div class="ibox-content">
                                                    <div class="form-group">
                                    <div class="col-sm-4 col-sm-offset-5">
                                        <button class="btn btn-white" type="submit">Cancel</button>
                                        <button class="btn btn-primary" type="submit">Run Report</button>
                                    </div>
                                </div>
                        <table class="table table-striped table-bordered table-hover dataTables-example" >
                            <thead>
                                <tr>
                                    <th>No</th>
                                    <th>Aim</th>
                                    <th>Date</th>
                                    <th>Funded</th>
                                    <th>Male</th>
                                    <th>Female</th>
                                    <th>Disabled</th>
                                    <th>Total</th>
                                    <th>Comments</th>
                                    <th>Action</th>
                                </tr>
                            </thead>
                            <tbody>
                            <?php
$mysqli = new mysqli( 'localhost', 'user2', 'password', 'database' );

if (mysqli_connect_error()) {
    echo mysqli_connect_error();
    exit();
} 

           if (isset($_POST['submit'])) {
                $query = 'SELECT * FROM conference';
                $data = mysqli_query($mysqli, $query) ;

                if (!$data) {
                    echo("Error description: " . mysqli_error($mysqli));
                } else {

                    while ($row = mysqli_fetch_array($data)) {
                        echo "<tr>
                            <td>" . $row['NOTW'] . "</td>
                            <td>" . $row['Aim'] . "</td>
                            <td>" . $row['date'] . "</td>
                            <td>" . $row['Funded'] . "</td>
                            <td>" . $row['Male'] . "</td>
                            <td>" . $row['Female'] . "</td>
                            <td>" . $row['Disabled'] . "</td>
                            <td>" . $row['Total'] . "</td>
                            <td>" . $row['Comments'] . "</td>
                            <td>   Edit   Trush  </td>                                           
                          </tr>";
                     }
                 }
            }
                    ?>
                            </tbody>
                            <tfoot>
                            </tfoot>
                        </table>
                    </div>
            </div>
            </div>

```

the Error is 

> 
> Warning: mysqli\_fetch\_array() expects parameter 1 to be mysqli\_result,
>  null given in /home/cshrnaf/public\_html/MIS\_CSHRN/reporttest.php on
>  line 265
> 
> 
> 

265 line:

```
 while($row = mysqli_fetch_array($data))

```

**UPDATE**

After Change code to: 

```
<div class="ibox-content">
                        <table class="table table-striped table-bordered table-hover dataTables-example" >
                            <thead>
                                <tr>
                                    <th>No</th>
                                    <th>Aim</th>
                                    <th>Date</th>
                                    <th>Funded</th>
                                    <th>Male</th>
                                    <th>Female</th>
                                    <th>Disabled</th>
                                    <th>Total</th>
                                    <th>Comments</th>
                                    <th>Action</th>
                                </tr>
                            </thead>
                            <tbody>
                            <?php
$mysqli = new mysqli( 'localhost', 'user2', 'password', 'database' );

if (mysqli_connect_error()) {
    echo mysqli_connect_error();
    exit();
} 
/*
if(isset($_POST['submit']))
{
    */
$query = 'SELECT * FROM conference';
$data = mysqli_query($mysqli, $query);

                    while($row = mysqli_fetch_array($data)) 
                    {
                        echo "  <tr>
                                    <td>" . $row['NOTW'] . "</td>
                            <td>" . $row['Aim'] . "</td>
                            <td>" . $row['date'] . "</td>
                            <td>" . $row['Funded'] . "</td>
                            <td>" . $row['Male'] . "</td>
                            <td>" . $row['Female'] . "</td>
                            <td>" . $row['Disabled'] . "</td>
                            <td>" . $row['Total'] . "</td>
                            <td>" . $row['Comments'] . "</td>
                            <td>   Edit   Trush  </td>  

                                </tr>";
                    }
//}
                    ?>
                            </tbody>
                            <tfoot>
                            </tfoot>
                        </table>
                    </div>
            </div>
            </div>

```

data will be loaded if the page will be loaded