private void detach_ExpenseDetails(ExpenseDetail entity)
		{
			this.SendPropertyChanging();
			entity.Expense = null;
		}
 partial void UpdateExpenseDetail(ExpenseDetail instance);
 partial void DeleteExpenseDetail(ExpenseDetail instance);
 partial void InsertExpenseDetail(ExpenseDetail instance);
 private void detach_ExpenseDetails(ExpenseDetail entity)
 {
     this.SendPropertyChanging();
     entity.Expense = null;
 }
 partial void DeleteExpenseDetail(ExpenseDetail instance);
 partial void UpdateExpenseDetail(ExpenseDetail instance);
 partial void InsertExpenseDetail(ExpenseDetail instance);