BelhardTraining.Extensions.DbDataReaderExtensions.GetNullableDecimal C# (CSharp) Метод

        public static decimal? GetNullableDecimal(this DbDataReader reader, string columnName)
        {
            int columnIdx = reader.GetOrdinal("columnName");
            return reader.IsDBNull(columnIdx) ? null : (decimal?)reader.GetDecimal(columnIdx);
        }