> For the complete documentation index, see [llms.txt](https://docs.grid.glideapps.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.grid.glideapps.com/api/dataeditor/row-markers.md). # Row Markers Row markers display the current index of the row as well as provide a means to select and reorder rows when configured. Rows markers are always marked as freeze columns and will always display regardless of horizontal scroll position.

Row markers in action

```typescript interface DataEditorProps { // ...other props rowMarkers?: "number" | "none" | "checkbox" | "both" | "checkbox-visible" | "clickable-number"; rowMarkerStartIndex?: number; rowMarkerTheme?: Partial; rowMarkerWidth?: number; // ...other props } ``` *** ### rowMarkers ```ts rowMarkers?: "checkbox" | "number" | "both" | "none"; ``` `rowMarkers` determines whether to display the marker column on the very left. It defaults to `none`. Note that this column doesn't count as a table column, i.e. it has no index, and doesn't change column indexes. *** ### rowMarkerStartIndex ```ts rowMarkerStartIndex?: number; ``` This property is used to set the starting index for row markers in a React component. The `rowMarkerStartIndex` accepts a numerical value that specifies the initial index from which the row markers in the data grid will begin counting. By default, this value is set to `1`. This property is particularly useful when you need the row numbering to start from a specific value other than the default, such as when displaying paginated data or aligning with an external data set's indexing. *** ### rowMarkerTheme ```typescript rowMarkerTheme?: Partial; ``` The `rowMarkerTheme` overrides the theme used for the row marker column. This is commonly used to tint the background of the row marker row and sometimes to fade them out a bit. *** ### rowMarkerWidth ```ts rowMarkerWidth?: number; ``` `rowMarkerWidth` is the width of the marker column on the very left. By default, it adapts based on the number of rows in your data set. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://docs.grid.glideapps.com/api/dataeditor/row-markers.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.