22EasyUI 数据网格- 添加查询功能

<table id="tt" class="easyui-datagrid" style="width:600px;height:250px"
            url="datagrid24_getdata.php" toolbar="#tb"
            title="Load Data" iconCls="icon-save"
            rownumbers="true" pagination="true">
        <thead>
            <tr>
                <th field="itemid" width="80">Item ID</th>
                <th field="productid" width="80">Product ID</th>
                <th field="listprice" width="80" align="right">List Price</th>
                <th field="unitcost" width="80" align="right">Unit Cost</th>
                <th field="attr1" width="150">Attribute</th>
                <th field="status" width="60" align="center">Stauts</th>
            </tr>
        </thead>
    </table>

<div id="tb" style="padding:3px">
        <span>Item ID:</span>
        <input id="itemid" style="line-height:26px;border:1px solid #ccc">
        <span>Product ID:</span>
        <input id="productid" style="line-height:26px;border:1px solid #ccc">
        <a href="#" class="easyui-linkbutton" plain="true" "doSearch()">Search</a>
    </div>

function doSearch(){
        $('#tt').datagrid('load',{
            itemid: $('#itemid').val(),
            productid: $('#productid').val()
        });
    }