public bool CreateExpense(Expense expense)
        {
            Expense expense2 = new Expense();

            expense2.Amount   = expense.Amount;
            expense2.Id       = 0;
            expense2.Percent  = expense.Percent;
            expense2.Name     = expense.Name;
            expense2.BudgetId = null;
            return(_oa.InsertExpense(expense2));
        }