public RelationalDataRow(IRelationalDataSheet sheet, int key, int offset) : base(sheet, key, offset) { }
public RelationalPartialDataSheet(IRelationalDataSheet <T> sourceSheet, Range range, File file) : base(sourceSheet, range, file) { }
public RelationalDataRow(IRelationalDataSheet sheet, int key, int offset) : base(sheet, key, offset) { }