The summary informations can be displayed in footer rows.
<table class="easyui-datagrid" title="Footer Rows in DataGrid" style="width:700px;height:220px"
data-options="
url: 'examples/datagrid/datagrid_data2.json',
method: 'get',
fitColumns: true,
singleSelect: true,
rownumbers: true,
showFooter: true
">
<thead>
<tr>
<th data-options="field:'itemid',width:80">Item ID</th>
<th data-options="field:'productid',width:120">Product ID</th>
<th data-options="field:'listprice',width:80,align:'right'">List Price</th>
<th data-options="field:'unitcost',width:80,align:'right'">Unit Cost</th>
<th data-options="field:'attr1',width:250">Attribute</th>
<th data-options="field:'status',width:60,align:'center'">Status</th>
</tr>
</thead>
</table>