1. 方法一：（改变后加载当前页面内容）

 

//第一次设定

$('#telGrid').datagrid({
        url:'p_n_list.php?act=getAjax_list&s_key=400电话 &website=http://www.my400800.cn ',
        nowrap: false,
        striped: true,
        collapsible:true,
        pagination:true,
        rownumbers:true,
        pagination:true,
        toolbar:[{
                text:'新增',
                iconCls:'icon-add',
                handler:function(){
                    //$('#btnsave').linkbutton('enable');
                    //alert('add')
                    addRow();
                }
            },'-',{
                text:'修改'
                ,
                handler:function(){
                    updateRow();
                  
                }
            },'-',{
                text:'删除',
                iconCls:'icon-remove',
                handler:function(){
                 
                    getSelections();
                }
            },'-',{
                text:'查询',
                iconCls:'icon-search'
                ,
                handler:function(){
                    $('#searchW').window({
                        title: '设定查询条件',
                        width: 300,
                        modal: true,
                        shadow: false,
                        closed: false,
                        height: 200,
                        close:function(){
                            alert('data');
                        }
                    });
                }
            }]
    });

 

  $('#telGrid').datagrid('reload', {
            s_key :800电话
        });

方法2：

  $  ('#telGrid').datagrid({url:'http://www.my400800.cn',      queryParams:{s_key:'400',  website:'http://www.my400800.cn/LianXiWoMen.html' }  })  ;