public ActionResult Search(TE0004MerchantInfoViewModel model)
        {
            if (!ModelState.IsValid)
            {
                return View("Search", model);
            }

            if (string.IsNullOrWhiteSpace(model.MerchantID1))
            {
                if (!string.IsNullOrWhiteSpace(model.MerchantID2))
                {
                    ModelState.AddModelError("MerchantID1", "加盟店ID2を指定した場合、加盟店ID1は必ず指定してください。");
                    return View("Search", model);
                }

                if (!string.IsNullOrWhiteSpace(model.MerchantID3))
                {
                    ModelState.AddModelError("MerchantID1", "加盟店ID3を指定した場合、加盟店ID1は必ず指定してください。");
                    return View("Search", model);
                }
            }

            TempData["TE0004MerchantInfo.SearchData"] = model;
            var query = db.TE0004MerchantInfo.AsQueryable();

            if (!string.IsNullOrWhiteSpace(model.CustomerID))
            {
                query = query.Where(s => s.CustomerID == model.CustomerID);
            }
            if (!string.IsNullOrWhiteSpace(model.MerchantID1))
            {
                query = query.Where(s => s.MerchantID1 == model.MerchantID1);
            }
            if (!string.IsNullOrWhiteSpace(model.MerchantID2))
            {
                query = query.Where(s => s.MerchantID2 == model.MerchantID2);
            }
            if (!string.IsNullOrWhiteSpace(model.MerchantID3))
            {
                query = query.Where(s => s.MerchantID3 == model.MerchantID3);
            }
            if (model.Status.HasValue)
            {
                switch (model.Status.Value)
                {
                    case -1:    // エラーの場合
                        query = query.Where(s => s.Status < 0);
                        break;
                    default:
                        query = query.Where(s => s.Status == model.Status);
                        break;
                }
            }
            if (model.RegistrationDateFrom.HasValue)
            {
                query = query.Where(s => s.RegistrationDate >= model.RegistrationDateFrom.Value);
            }
            if (model.RegistrationDateTo.HasValue)
            {
                query = query.Where(s => s.RegistrationDate < model.RegistrationDateTo.Value);
            }
            if (model.UpdateDateFrom.HasValue)
            {
                query = query.Where(s => s.UpdateDate >= model.UpdateDateFrom.Value);
            }
            if (model.UpdateDateTo.HasValue)
            {
                query = query.Where(s => s.UpdateDate < model.UpdateDateTo.Value);
            }

            model.SearchResult = query.Count();
            if (model.SearchResult == 0)
            {
                ModelState.AddModelError("", Resources.Messages.SearchNotFound);
                return View("Search", model);
            }

            if (model.SearchResult > 10000)
            {
                ModelState.AddModelError("", Resources.Messages.SearchTooManyNumber);
                return View("Search", model);
            }

            model.TE0004MerchantInfoList =
                query.OrderBy(s => s.EntryDate);

            return View("Search", model);
        }