sencha touch 访问.net WebServices的方法

  var resp = Ext.Ajax.request({
                method: "post",
                headers: { 'Content-Type': 'application/json;utf-8' },
                url: 'AppService.asmx/' + "getTradePackageDetail" + '?r=' + (new Date().getTime()) + Math.random(),
                async: true,  //异步执行
                success: function (response, opts) {  //成功后执行
                    //得到返回的数据
                    var sResult = response.responseText;
                
                },
                failure: function (response, opts) {  //失败后执行
                  
                }
            });

 

后台:  [WebMethod]

        public string getTradePackageDetail

       {

 

       }