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);
}
}
}
