private void CollectionRemove()
        {
            if (IncomeTransactions.Contains(transaction))
            {
                IncomeTransactions.Remove(transaction);
            }
            else
            {
                ExpenseTransactions.Remove(transaction);
            }

            Transactions.Remove(transaction);
        }
        private void CollectionAdd()
        {
            if (transaction.type_id == TypeViewModel.RetrieveTypeId("Income"))
            {
                IncomeTransactions.Add(transaction);
            }
            else
            {
                ExpenseTransactions.Add(transaction);
            }

            Transactions.Add(transaction);
        }