IDataReaderExtentions

    public static class IDataReaderExtentions {

        [DebuggerStepThrough()]
        public static T GetReaderValue<T>(this IDataReader reader,string columnName,T defaultValue = default(T)) {

            int ordinal = reader.GetOrdinal(columnName);

            if(reader.IsDBNull(ordinal))
                return defaultValue;

            return (T)Convert.ChangeType(reader[ordinal],typeof(T));
        }
    }