42EasyUI 数据网格- 创建子网格

<table id="dg" style="width:700px;height:250px"
        url="datagrid22_getdata.php" 
        title="DataGrid - SubGrid"
        singleSelect="true" fitColumns="true">
    <thead>
        <tr>
            <th field="itemid" width="80">Item ID</th>
            <th field="productid" width="100">Product ID</th>
            <th field="listprice" align="right" width="80">List Price</th>
            <th field="unitcost" align="right" width="80">Unit Cost</th>
            <th field="attr1" width="220">Attribute</th>
            <th field="status" width="60" align="center">Status</th>
        </tr>
    </thead>
</table>

<script type="text/javascript" src="http://www.w3cschool.cc/try/jeasyui/datagrid-detailview.js"></script>
$('#dg').datagrid({
    view: detailview,
    detailFormatter:function(index,row){
        return '<div style="padding:2px"><table class="ddv"></table></div>';
    },
    onExpandRow: function(index,row){
        var ddv = $(this).datagrid('getRowDetail',index).find('table.ddv');
        ddv.datagrid({
            url:'datagrid22_getdetail.php?itemid='+row.itemid,
            fitColumns:true,
            singleSelect:true,
            rownumbers:true,
            loadMsg:'',
            height:'auto',
            columns:[[
                {field:'orderid',title:'Order ID',width:100},
                {field:'quantity',title:'Quantity',width:100},
                {field:'unitprice',title:'Unit Price',width:100}
            ]],
            onResize:function(){
                $('#dg').datagrid('fixDetailRowHeight',index);
            },
            onLoadSuccess:function(){
                setTimeout(function(){
                    $('#dg').datagrid('fixDetailRowHeight',index);
                },0);
            }
        });
        $('#dg').datagrid('fixDetailRowHeight',index);
    }
});