/// <summary>
/// Reads one record field by its name
/// </summary>
/// <param name="record">The record.</param>
/// <param name="fieldName">Name of the field.</param>
protected virtual void ReadOneRecordField(DataRecord record, string fieldName)
{
var fieldType = _datasetInfo.Columns[fieldName].DataType;
object value = _jsonReader.ReadAs(fieldType);
record[fieldName] = value;
}