if (strlen($cat) > 0 and !is_numeric($cat)) {
            // to check if $cat is numeric data or not.
            echo "Data Error";
            exit;
        }
        ///////// Getting the data from Mysql table for first list box//////////
        $objEmployee = new Designation();
        $dptResult = $objEmployee->getAllDpt();
        ///////////// End of query for first list box////////////
        /////// for second drop down list we will check if category is selected else we will display all the subcategory/////
        if (isset($cat) and strlen($cat) > 0) {
            $objEmployee = new Designation();
            $singleResult = $objEmployee->getSingleEmpDptInfo($cat);
        } else {
            $objDesignation = new Designation();
            $singleResult = $objDesignation->getAllDesi();
        }
        //////////////////  This will end the second drop down list ///////////
        ?>
						
						<form role="form" action="" method="" >
							
							<div class="col-lg-6 col-md-offset-6 form-group">
						
								<div class="input-group">
									<div class="input-group-addon">Search</div>
									<?php 
        echo "<select class='form-control' name='cat' id='empDptName' onchange=\"reload(this.form)\"><option value=''>Select All</option>";
        while ($row = mysqli_fetch_array($dptResult)) {
            if ($row['dptId'] == @$cat) {
                ?>
											<thead>
											
												<tr class="success">
													<th>Serial Number</th>
													<th>Department Name</th>
													<th>Designation Name</th>
												</tr>
												
											</thead>
											
											<tbody>
											
												<?php 
                $objDesignation = new Designation();
                $Desc = "DESC";
                $result = $objDesignation->getAllDesi($Desc);
                //var_dump($result);
                while ($row = mysqli_fetch_array($result)) {
                    ?>
													<tr>
														<td><?php 
                    echo $row['desiId'];
                    ?>
</td>
														<td><?php 
                    echo $row['dptName'];
                    ?>
</td>
														<td><?php 
                    echo $row['desiDesignationName'];
                    ?>