private int FillLoadDataRowChunk(SchemaMapping mapping, int startRecord, int maxRecords)
{
    DataReaderContainer dataReader = mapping.DataReader;
    while ( 0  < startRecord)
    {
        if (!dataReader.Read())
        {
            return  0 ;
        }
        startRecord--;
    }
    int num =  0 ;
    if ( 0  >= maxRecords)
    {
        return this.FillLoadDataRow(mapping);
    }
    while ((num < maxRecords) && dataReader.Read())
    {
        if (this._hasFillErrorHandler)
        {
            try
            {
                mapping.LoadDataRowWithClear();
                num++;
            }
            catch (Exception exception)
            {
                if (!ADP.IsCatchableExceptionType(exception))
                {
                    throw;
                }
                ADP.TraceExceptionForCapture(exception);
                this.OnFillErrorHandler(exception, mapping.DataTable, mapping.DataValues);
            }
        }
        else
        {
            mapping.LoadDataRow();
            num++;
        }
    }
    return num;
}