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Show Row Number

TableSheet displays row numbers in an independent row header, similar to the row numbers displayed in a Worksheet. By default, the row number header is hidden.

To display, set the showRowNumber property of the ITableSheetOptions interface to True.

// Enable the row number header.
tableSheet.options.showRowNumber = true;

// Disable the row number header.
tableSheet.options.showRowNumber = false;

Functionality and Behavior

The row number header works with the following TableSheet operations:

Pinned Rows

The row number header seamlessly integrates with pinned rows and the attachment of customized row actions.

Grouped Rows

When using the grouping feature, the row number header behaves as follows:

Expanded Groups: Row numbers display normally for all rows within expanded groups.
Collapsed Groups: Row numbers are hidden for rows within collapsed groups.

Filtered Rows

The row number header maintains continuous numbering when rows are filtered out.

The image below depicts an example of displaying row number header after filtering out the rows with 2019 year.

Sorted Rows

Similar to filtering, when rows are sorted, the row number header will display continuous numbers corresponding to the new order of rows.

Hierarchical Rows

For hierarchical data structures, the row number header behaves as follows:

Expanded Hierarchy Level: Row numbers are shown for all visible rows.
Collapsed Hierarchy Levels: Row numbers are hidden for rows within collapsed levels.

Using Designer

TableSheet also allows you to toggle the visibility of the row number header in the SpreadJS Designer. To enable/disable the showRowNumber property of the TableSheet, you need to check/uncheck the Show Row Number option available in the TABLE SHEET DESIGN tab.