请问怎么设置可以让页面刚进入的时候不发送请求，点击查询的时候才发送请求 about gridmanager HOT 4 CLOSED

        // 搜索
        $(".searchbtn").on("click",function(){

            var start      = $("input[name=start]").val() || "";
            var end        = $("input[name=end]").val() || "";
            //var code       = $("textarea[name=code]").val() || "";
            var code       = $(".numbercode").val() || "";
            var receiver   = $("input[name=receiver]").val() || "";
            var mobile     = $("input[name=mobile]").val() || "";
            var shop       = checkbox("_shop");
            var store      = checkbox("_store");
            var flag       = checkbox("_flag");

            var _query = {
                start       : start,
                end         : end,
                code        : code,
                receiver    : receiver,
                mobile      : mobile,
                shopid      : shop,
                storeid     : store,
                flag        : flag
            };

            util.cookie('call_search_data', JSON.stringify(_query), {expires:7});

          table.GM('setQuery', _query).GM('refreshGrid', function () {
            console.log('搜索成功...');
          });
        });