The list price value will show red color when less than 30.
<table class="easyui-datagrid" title="Format DataGrid Columns" style="width:700px;height:250px"
data-options="
rownumbers:true,
singleSelect:true,
iconCls:'icon-ok',
url:'examples/datagrid/datagrid_data1.json',
method:'get'
">
<thead>
<tr>
<th data-options="field:'itemid',width:80">Item ID</th>
<th data-options="field:'productid',width:100">Product</th>
<th data-options="field:'listprice',width:80,align:'right',formatter:formatPrice">List Price</th>
<th data-options="field:'unitcost',width:80,align:'right'">Unit Cost</th>
<th data-options="field:'attr1',width:240">Attribute</th>
<th data-options="field:'status',width:60,align:'center'">Status</th>
</tr>
</thead>
</table>
<script>
function formatPrice(val,row){
if (val < 30){
return '<span style="color:red;">('+val+')</span>';
} else {
return val;
}
}
</script>