public (bool IsError, string Message) DeleteValuesByDatesWithResult(double daysCount)
        {
            _db = new DbDataContext();

            try
            {
                var values = _db.Cheques.Where(p => p.Date.AddDays(daysCount) >= DateTime.Today).ToList();
                _db.RemoveRange(values);
                _db.SaveChanges();
                return(false, "");
            }
            catch (Exception ex)
            {
                return(true, ex.Source);
            }
            finally
            {
                _db?.Dispose();
            }
        }