$.get("http://192.168.100.179/Service/VisitViewNumber.ashx?id=5");

private string  ViewNumber(HttpContext context)
        {
            string result = "";
            try
            {
                int ID = int.Parse(context.Request.QueryString["id"].ToString());
                SfSoft.BLL.WX_ActivityManage bll = new SfSoft.BLL.WX_ActivityManage();
                SfSoft.Model.WX_ActivityManage model = bll.GetModel(ID);
                if (model != null)
                {
                    if (model.ReadNumber != null)
                    {
                        model.ReadNumber += 1;
                    }
                    else
                    {
                        model.ReadNumber = 1;
                    }
                    bll.Update(model);
                }else{
                    return "error";
                }
                result = "ok";
            }
            catch (Exception ex)
            {
               return "错了！~    ";
            }
            return result;
        }