Это имя не существует в текущем контексте

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This error occurs in the following method, please help

Что я уже пробовал:

[HttpPost]
   public async Task<IActionResult> DeatailsAnalysis(int carId, string selectedDate)
   {
       DateTime selectedDay = PersianToGregorian(selectedDate, out int selectedPersianYear);
       SqlConnection connection = null;
       SqlCommand command = null;
       var model = new List<InventoryAnalysisReportViewModel>();

       try
       {
           connection = DbContext.Database.GetDbConnection() as SqlConnection;
           command = new SqlCommand("dbo.DeatailsInventoryAnalysisReportPerDay")
           {
               CommandType = CommandType.StoredProcedure,
               Connection = connection
           };
           command.Parameters.Add(new SqlParameter("@SelectedDay", selectedDay));
           command.Parameters.Add(new SqlParameter("@CarId", carId));

           if (connection.State != ConnectionState.Open)
               await connection.OpenAsync();

           using var reader = await command.ExecuteReaderAsync();
           while (await reader.ReadAsync())
           {
               model.Add(new InventoryAnalysisReportViewModel
               {
                   CarId = reader.GetInt32(reader.GetOrdinal("CarID")),
                   CarTitle = reader.GetString(reader.GetOrdinal("CarTitle")),
                   ProvisionalDeliveryQty = reader.GetInt32(reader.GetOrdinal("ProvisionalDeliveryQty")),
                   SectionsQty = reader.GetInt32(reader.GetOrdinal("SectionsQty")),
                   ParkingInventoryQty = reader.GetInt32(reader.GetOrdinal("ParkingInventoryQty")),
                   //InventoryQty = reader.GetInt32(reader.GetOrdinal("InventoryQty")),
                   TotalDeatails = reader.GetInt32(reader.GetOrdinal("TotalDeatails")),
                   YearType = Convert.ToInt32(reader.GetValue(reader.GetOrdinal("CarModels"))) == selectedPersianYear
                               ? YearsType.Currentyear
                               : YearsType.Pastyears
               });
           }
       }
       catch (Exception ex)
       {
           throw ex;
       }
       finally
       {
           if (command != null)
           {
               command.Dispose();
           }
           if (connection.State != ConnectionState.Closed)
           {
               connection.Close();
               connection.Dispose();
           }
       }

       return Json(model);
   }

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