changyy的专栏

 listeners:{    "beforedestroy": function(obj){alert("想关闭我,这是不可能的");                                    obj.show();                                    return false;                                  } 

                        tools:[                                {id:"save"},                                {id:"help", handler:function(){Ext.Msg.alert("help","please help me");}},                    

发生错误的原因是,配制参数名写错:                        var grid = new Ext.grid.GridPanel({                                                            renderTo:hello3,