public IncomeCategories() { using (var context = new BookKeepingContext()) { context.IncomeDBSet.Load(); var s = context.IncomeDBSet.Select(income => income.IncomeCategory).Distinct().ToList <string>(); Categories = new ObservableCollection <string>(s); } }
public void UpdateCategoryList() { Categories.Clear(); using (var context = new BookKeepingContext()) { context.IncomeDBSet.Load(); var s = context.IncomeDBSet.Select(income => income.IncomeCategory).Distinct().ToList <string>(); foreach (var item in s) { Categories.Add(item); } } }