$.ajax({
                    url: "ajaxRequest/GridDatas.ashx",
                    type: "POST",
                    dataType: "json",
                    contentType: "application/json; charset=utf-8",
                    success: function(data) {
                        var data = eval(data);
                        alert(data);
                        if(Number(data.length-1)>5){
                        alert("2");
                            document.getElementById("OrderFanye1").innerHTML="<img alt='左翻页' src='images/fanyezuo-g.png' title='左翻页' style='cursor:pointer;' /><span style='visibility:hidden;'>asd</span><img alt='右翻页' src='images/fanyeyou.png' title='右翻页' style='cursor:pointer;' onclick='ceshi2()' />";
                        }else{
                         document.getElementById("OrderFanye1").innerHTML="<img alt='左翻页' src='images/fanyezuo-g.png' title='左翻页' style='cursor:pointer;' /><span style='visibility:hidden;'>asd</span><img alt='右翻页' src='images/fanyeyou-g.png' title='右翻页' style='cursor:pointer;' />";
                        }
                    },
                    error: function() {alert("暂时查不到"); }
                }); 
结果有时登陆页面就会弹出对话框“暂时查不到”。 跟数据量有关系,跪求大神帮忙找出错误并改正Cursor函数行业数据URLJSON