public AddIncomeViewModel(ShellViewModel parentVM)
		{
			this.parentVM = parentVM;
			entityPrototype = new IncomeItemEntity { Id = 0, Date = DateTime.Today, Category = parentVM.IncomeCategories.FirstOrDefault(), Amount = 0, Details = string.Empty };
		}
		public ListItemsViewModel(ShellViewModel parentVM)
		{
			this.parentVM = parentVM;
		}