private void PrepareCreateWindowModel <T>(RequestEditWindowModel <T> editWindowModel) where T : class { editWindowModel.Stores.Containers = _containerService.GetAllFreeContainerModels(null) .Select(x => new SelectListItem { Value = x.Id.ToString(), Text = $"{x.Number} ({x.ContainerType.Name})" }) .ToList() .AddEmptyElement(); }