private List <ProductFaqConfigDetailModel> CheckPidHasSingleFaq(List <string> listpids)
        {
            var list      = new List <ProductFaqConfigDetailModel>();
            var flag      = true;
            var firstPid  = listpids.FirstOrDefault();
            var faqdetail = ProductFaqManage.SelectProductFaqConfigDetailModels(firstPid);

            if (faqdetail == null || !faqdetail.Any())
            {
                list.Add(new ProductFaqConfigDetailModel
                {
                    Sort = 1
                });
            }
            else
            {
                var fkfaqid = faqdetail.Select(r => r.FkFaqId).FirstOrDefault();
                if (listpids.Count() > 100)
                {
                    var count = ProductFaqManage.SelectNotSameFaqCount(listpids, fkfaqid);
                    if (count == 0)
                    {
                        list = faqdetail.ToList();
                    }
                    else
                    {
                        list.Add(new ProductFaqConfigDetailModel
                        {
                            Sort = 1
                        });
                    }
                }
                else
                {
                    foreach (var pid in listpids)
                    {
                        var innerList = ProductFaqManage.SelectProductFaqConfigDetailModels(pid);
                        if (innerList == null || !innerList.Any() ||
                            innerList.Select(r => r.FkFaqId).FirstOrDefault() != fkfaqid)
                        {
                            list = new List <ProductFaqConfigDetailModel>();
                            list.Add(new ProductFaqConfigDetailModel
                            {
                                Sort = 1
                            });
                            flag = false;
                            break;
                        }
                    }
                    if (flag)
                    {
                        list = faqdetail.ToList();
                    }
                }
            }
            return(list);
        }
        /// <summary>
        /// 查询问题详情
        /// </summary>
        /// <param name="keyValue"></param>
        /// <param name="searchString"></param>
        /// <param name="pids"></param>
        /// <returns></returns>
        public ActionResult FaqConfig(string keyValue, string pids, string searchString)
        {
            var list = new List <ProductFaqConfigDetailModel>();
            var flag = true;

            if (!string.IsNullOrEmpty(searchString) || !string.IsNullOrEmpty(pids))
            {
                //var cbs = searchString.Replace("\'","\"");
                //var aa = cbs.Substring(1, cbs.Length - 1);
                searchString = TempData["searchString"].ToString();
                var brandModel = JsonConvert.DeserializeObject <List <CBrandModel> >(searchString);
                var dalPids    = ProductFaqManage.SelectSimpleProductModels(brandModel, pids).ToList();
                var pidss      = dalPids.Select(r => r.Pid.Trim()).ToList();
                list = CheckPidHasSingleFaq(pidss);
                //全选的情况 todo 传查询条件过来去表里重新查一遍全部的
                //if (pidss.Count > 5000)
                //    ViewBag.Pids = "Long";
                //else
                //ViewBag.Pids = pids;
                //ViewBag.searchString=
                TempData["Pids"]         = pids;
                TempData["searchString"] = searchString;
            }
            else
            {
                var listpids = keyValue.Split(',').ToList();

                //多选情况
                //todo 多选还有一种情况是指勾选的产品配置的问题都一样的话要传过去
                if (listpids.Count() > 1)
                {
                    list = CheckPidHasSingleFaq(listpids);
                }

                else //单选情况
                {
                    list = ProductFaqManage.SelectProductFaqConfigDetailModels(keyValue).ToList();
                    if (!list.Any())
                    {
                        list.Add(new ProductFaqConfigDetailModel
                        {
                            Sort = 1
                        });
                    }
                }
            }
            ViewBag.DataCount = list.Count;
            return(View(list));
        }