日期:2014-05-17  浏览次数:20450 次

ajax请求ashx数据,在ashx中当session为空时要跳转页面
如题,前台ajax请求ashx代码如下:

$(document).ready(function () {
            $.ajax(
            {
                async: false,
                cache: false,
                type: "POST",
                url: "Ashx/getSysMenu.ashx",
                success: function (data) {
                    zNodes = eval("(" + data + ")");
                },
                error: function (data) {
                    alert(data);
                }
            });
            zTreeObj = $.fn.zTree.init($("#tree"), setting, zNodes);
        });


后台Ashx代码如下:

        public void ProcessRequest(HttpContext context)
        {
            if (context.Session["UserInfo"] != null)
            {
                //ZTree加载
                SynchronousJsonTree(context);
            }
            else
            {
                context.Response.Write(string.Format(@"window.location.href='{0}'","Logon.aspx"));
            }

        }
        
        /// <summary>
        /// 同步ZTree加载
        /// </summary>
        /// <param name="context"></param>
        private void SynchronousJsonTree(HttpContext context)
        {
            //
            SYS_UserInfo user = context.Session["UserInfo