MVC EasyuiDatagrid多条件查询，怎么把数据传到后台

前台数据分页绑定，都已经做好了，想做个查询，多条件的，怎么点查询，把数据传到后台，后台处理后返回数据，前台怎么再绑定

 load   param   Load and show the first page rows. If the 'param' is specified, it will replace with the queryParams property. Usually do a query by passing some parameters, this method can be called to load new data from server.

$('#dg').datagrid('load',{
    code: '01',
    name: 'name01'
});

datagrid里面不是可以添加参数么？queryParams，json类型随便加