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MultiSelect Grouping
Updated on Oct 1, 2026
The MultiSelect component allows users to see the dropdown items grouped in categories. This can improve the user experience and make browsing through the items faster.
To enable MultiSelect grouping, set the GroupField parameter to a field name from the model. The MultiSelect will display the corresponding field values as group headers in the dropdown. Nested values of complex object properties are supported (see the example below).
The group headers can stick to the top of the dropdown during scrolling. In other words, users will always know which is the group of the current topmost items in the scrollable list.
Grouping in the MultiSelect
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Notes
- One level of grouping is supported.
- A grouped MultiSelect will provide a
Groupsproperty with a singleGroupDescriptorin theDataSourceRequestargument of its OnRead event. This will allow the developer to apply grouping with manual data operations.