public decimal?Read(ISqDataRecordReader recordReader, int ordinal) => !recordReader.IsDBNull(ordinal) ? recordReader.GetDecimal(ordinal) : null;
public decimal Read(ISqDataRecordReader recordReader) => recordReader.GetDecimal(this.ColumnName.Name);
public decimal Read(ISqDataRecordReader recordReader, int ordinal) => recordReader.GetDecimal(ordinal);