We can put the summary calculation on the header group.
To do this just put the summary field in the groupText. The field is enclosed in {}.
If you do not want to show the group footer set groupSummary values to false
<?php
require_once '../../../tabs.php';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>jqGrid PHP Demo</title>
<link rel="stylesheet" type="text/css" media="screen" href="../../../themes/redmond/jquery-ui-custom.css" />
<link rel="stylesheet" type="text/css" media="screen" href="../../../themes/ui.jqgrid.css" />
<link rel="stylesheet" type="text/css" media="screen" href="../../../themes/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.js" type="text/javascript"></script>
<script src="../../../js/i18n/grid.locale-en.js" type="text/javascript"></script>
<script type="text/javascript">
$.jgrid.no_legacy_api = true;
$.jgrid.useJSON = true;
</script>
<script src="../../../js/jquery.jqGrid.min.js" type="text/javascript"></script>
<script src="../../../js/jquery-ui-custom.min.js" type="text/javascript"></script>
</head>
<body>
<div>
<?php include ("grid.php");?>
</div>
<br/>
<?php tabs(array("grid.php"));?>
</body>
</html>
grid.php.
<?php
require_once '../../../jq-config.php';
// include the jqGrid Class
require_once ABSPATH."php/jqGrid.php";
// include the driver class
require_once ABSPATH."php/jqGridPdo.php";
// Connection to the server
$conn = new PDO(DB_DSN,DB_USER,DB_PASSWORD);
// Tell the db that we use utf-8
$conn->query("SET NAMES utf8");
// Create the jqGrid instance
$grid = new jqGridRender($conn);
// Write the SQL Query
$grid->SelectCommand = 'SELECT OrderID, OrderDate, CustomerID, EmployeeID, Freight, ShipName FROM orders';
// set the ouput format to json
$grid->dataType = 'json';
// Let the grid create the model from SQL query
$grid->setColModel();
// Set the url from where we obtain the data
$grid->setUrl('grid.php');
// Set alternate background using altRows property
$grid->setGridOptions(array(
"rowNum"=>10,
"sortname"=>"OrderID",
"rowList"=>array(10,20,50),
"height"=>'auto',
"footerrow"=>true,
"userDataOnFooter"=>true,
"grouping"=>true,
"groupingView"=>array(
"groupField" => array('CustomerID', 'EmployeeID'),
"groupColumnShow" => array(true, true),
"groupText" =>array('<b> Client:{0}</b> Sum Freight: {Freight}', '<b>Employee: {0}</b> Sum Freight: {Freight}'),
"groupSummary" => array(false, false)
)
));
// Change some property of the field(s)
$grid->setColProperty("OrderID", array("label"=>"ID", "width"=>60));
$grid->setColProperty("OrderDate", array(
"formatter"=>"date",
"formatoptions"=>array("srcformat"=>"Y-m-d H:i:s","newformat"=>"m/d/Y")
)
);
// Add a summary property to the Freight Column
$grid->setColProperty("Freight", array("summaryType"=>"sum", "summaryTpl"=>"{0}", "formatter"=>"number"));
$summaryrows = array("Freight"=>array("Freight"=>"SUM"));
// Enjoy
$grid->renderGrid('#grid','#pager',true, $summaryrows, null, true,true);
$conn = null;
?>