从后台取回的json数组,如何用easyui的datagrid显示出来?

Question

点击button调用getAll方法从数据库取数据 jsp代码: <input type="text" class="txt"> <button onclick="getAll()">查询</button><br/> <table id="dg-order" ></table> js代码:     function getAll(){             var text = $('.txt').val();             $.ajax({               url:basePath+"list/all",               data:{                  userid:text,                  },               success:function(result){               $('#dg-order').datagrid("loadDate",result);               }            });         };result为返回的json字符串[{"address":"将军路","orderItemList":[{"id":180,"num":2,"price":40.0}],"status":0,"userId":16}]