We can change the icons of the subgrid. This is done with the option of the subgrid,
which point to a icon of Theme roller.
<?php 
require_once '../../../../php/demo/tabs.php';
?>
<!DOCTYPE html>
<html>
  <head>
    <title>jqGrid PHP Demo</title>
    <link rel="stylesheet" type="text/css" media="screen" href="../../../../css/jquery-ui.css" />
    <link rel="stylesheet" type="text/css" media="screen" href="../../../../css/trirand/ui.jqgrid.css" />
    <link rel="stylesheet" type="text/css" media="screen" href="../../../../css/ui.multiselect.css" />
    <style type="text">
        html, body {
        margin: 0;            /* Remove body margin/padding */
        padding: 0;
        overflow: hidden;    /* Remove scroll bars on browser window */
        font-size: 75%;
        }
        
    </style>
    <script src="../../../../js/jquery.min.js" type="text/javascript"></script>
    <script src="../../../../js/trirand/i18n/grid.locale-en.js" type="text/javascript"></script>
         <script src="../../../../js/trirand/jquery.jqGrid.min.js" type="text/javascript"></script> <script type="text/javascript">         
    $.jgrid.no_legacy_api = true;
    $.jgrid.useJSON = true;
    $.jgrid.defaults.width = "700";
    </script>
     
    <script src="../../../../js/jquery-ui.min.js" type="text/javascript"></script>
  </head>
  <body>
      <div>
          <?php include ("grid.php");?>
      </div>
      <br/>
      <?php tabs(array("grid.php""details.php"));?>
   </body>
</html>
grid.php.
<?php
require_once '../../jq-config.php';
// include the jqGrid Class
require_once ABSPATH."php/PHPSuito/jqGrid.php";
// include the driver class
require_once ABSPATH."php/PHPSuito/DBdrivers/jqGridPdo.php";
// Connection to the server
$conn = new PDO(DB_DSN,DB_USER,DB_PASSWORD);
// Tell the db that we use utf-8
jqGridDB::query($conn,"SET NAMES utf8");

// Create the jqGrid instance
$grid = new jqGridRender($conn);
// Write the SQL Query
$grid->SelectCommand 'SELECT EmployeeID, LastName, FirstName, Title FROM employees';
// Set output format to json
$grid->dataType 'json';
// Let the grid create the model
$grid->setColModel();
// Set the url from where we obtain the data
$grid->setUrl('grid.php');
// Set some grid options
$grid->setGridOptions(array(
    
"rowNum"=>10,
    
"height"=>250,
    
"rowList"=>array(10,20,30),
    
"sortname"=>"EmployeeID"
));
//the icons of the subgrid
$grid->setGridOptions(array(
    
"subGridOptions"=>array(
        
"plusicon"=>"ui-icon-triangle-1-e",
        
"minusicon"=>"ui-icon-triangle-1-s",
        
"openicon"=>"ui-icon-arrowreturn-1-e"
    
)
));

// Set the url from where we get the data
$grid->setSubGridGrid('details.php');
// Enjoy
$grid->renderGrid('#grid','#pager',truenullnulltrue,true);
$conn null;
?>
details.php.
<?php
require_once '../../jq-config.php';
// include the jqGrid Class
require_once ABSPATH."php/PHPSuito/jqGrid.php";
// include the driver class
require_once ABSPATH."php/PHPSuito/DBdrivers/jqGridPdo.php";
// Connection to the server
$conn = new PDO(DB_DSN,DB_USER,DB_PASSWORD);
// Tell the db that we use utf-8
jqGridDB::query($conn,"SET NAMES utf8");
$rowid jqGridUtils::Strip($_REQUEST["rowid"]);
if(!
$rowid) die("Missed parameters");
// Get details
$SQL "SELECT * FROM employees WHERE EmployeeID=".(int)$rowid;
$qres jqGridDB::query($conn$SQL);
$result jqGridDB::fetch_assoc($qres,$conn);
$s "<table><tbody>";
$s .= "<tr><td><b>First Name</b></td><td>".$result["FirstName"]."</td>";
$s .= "<td rowspan='9' valign='top'><img src='images/".trim($result["EmployeeID"]).".jpg'/></td></tr>";
$s .= "<tr><td><b>Last Name</b></td><td>".$result["LastName"]."</td></tr>";
$s .= "<tr><td><b>Title</b></td><td>".$result["Title"]."</td></tr>";
$s .= "<tr><td><b>Title of Courtesy</b></td><td>".$result["TitleOfCourtesy"]."</td></tr>";
$s .= "<tr><td><b>Birth Date</b></td><td>".$result["BirthDate"]."</td></tr>";
$s .= "<tr><td><b>Hire Date</b></td><td>".$result["HireDate"]."</td></tr>";
$s .= "<tr><td><b>Address</b></td><td>".$result["Address"]."</td></tr>";
$s .= "<tr><td><b>City</b></td><td>".$result["City"]."</td></tr>";
$s .= "<tr><td><b>Postal Code</b></td><td>".$result["PostalCode"]."</td></tr>";
$s .= "</tbody></table>";
echo 
$s;
jqGridDB::closeCursor($qres);