C#

<ItemGroup>
  <None Update="*.config">
    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
  </None>
</ItemGroup>

internal static string ExamItemResponseAddSuccessfully {
           get {
               return ResourceManager.GetString("ExamItemResponseAddSuccessfully", resourceCulture);
           }
       }

public async Task<IActionResult> CreateDorItemResponse(CreateEditDorItemResponseViewModel dorToCreateItemResponse, CancellationToken cancellationToken)
       {
           // Create a new Dor Item PacketResponse to receive the required properties from the view model
           var newDorItemResponse = new DorItemResponse();

           // Attempt to transfer the properties from the view model into the Dor
           if (ModelState.IsValid)
           {
               try
               {
                   //Get the item to return back to Edit Item page.
                   var item = await _dorService.GetItemAsync(dorToCreateItemResponse.ItemId, cancellationToken)
                       .ConfigureAwait(true);
                   // Save the Dor Item Response
                   _mapper.Map(dorToCreateItemResponse, newDorItemResponse);
                   newDorItemResponse.CreatedBy = User.Identity.Name;
                   newDorItemResponse.ModifiedBy = User.Identity.Name;
                   await _dorService.CreateEditItemResponse(newDorItemResponse, User.Identity.Name, cancellationToken).ConfigureAwait(true);
                   TempData.Put(TempDataKey.Dor.RESPONSE_ADD_MESSAGE, StatusMessageModel.Create(Constants.Dor.RESPONSE_ADD_SUCCESS, false));
                   return RedirectToAction(nameof(EditDorItem), new {id = item.ItemId, dorId = item.DorId});
               }
               catch (Exception)
               {
                   // Save failed, add an error message and reload the same page
                   TempData.Put(TempDataKey.Dor.RESPONSE_ADD_MESSAGE, StatusMessageModel.Create(Constants.Dor.RESPONSE_UPDATE_FAIL));
               }
           }
           // Validation failed, reload the same page
           return View(dorToCreateItemResponse);
       }

DateTime.Today.AddDays(0).ToString("yyyy-MM-dd")

DateTime.Today.AddDays(ConfigurationManager.AppSettings["CompletedDays"].ToString("yyyy-MM-dd")