public void getSupplyDetail(HttpContext context)
        {
            Dictionary <String, Object> dictionary = new Dictionary <string, object>();
            Supply supply  = supplyService.getSupplyById(Convert.ToInt32(context.Request["Id"]));
            User   user    = userService.getUserById(supply.User.Id);
            string imgPath = "defaultImg.jpg";

            if (user.UserHeader != null)
            {
                imgPath = System.IO.Path.GetFileName(user.UserHeader);
            }

            dictionary.Add("Id", supply.Id);
            dictionary.Add("Name", supply.SupplyName);
            dictionary.Add("Desc", supply.SupplyDesc);
            dictionary.Add("categoryName", supplyService.getCategoryName(supply.SupplyCategory.Id));
            dictionary.Add("priority", supply.Priority);
            dictionary.Add("userId", supply.User.Id);
            dictionary.Add("userName", user.NickName);
            dictionary.Add("userTeleNum", user.TeleNumber);
            dictionary.Add("userEMail", user.Username);
            dictionary.Add("userHeader", imgPath);
            dictionary.Add("createTime", supply.CreateTime);
            dictionary.Add("modifyTime", supply.ModifyTime);
            dictionary.Add("Status", supply.SupplyStatus);
            StringBuilder sb = new StringBuilder();

            sb.Append(JsonUtil.toJson(dictionary));
            dictionary.Clear();
            context.Response.Write(sb.ToString());
        }