FireDAC Components for Excel Online

Build 21.0.7930


Determines how to determine the data types of columns.


property TypeDetectionScheme: String;

Possible Values

None, RowScan, ColumnFormat

Data Type


Default Value



The component can detect data types with the cell format (number, currency, date, etc.) or by scanning rows.

NoneSetting TypeDetectionScheme to None will return all columns as the string type.
RowScanSetting TypeDetectionScheme to RowScan will scan rows to heuristically determine the data type. The RowScanDepth determines the number of rows the component will scan.
ColumnFormatSetting TypeDetectionScheme to ColumnFormat will report the data type based on the cell format of the column.

Note: This option is applicable only for the 'UnformattedValue' and 'Formula' ValueRenderOption-s. If the ValueRenderOption is set to 'FormattedValue', all columns will be exposed as String types.

Copyright (c) 2021 CData Software, Inc. - All rights reserved.
Build 21.0.7930