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Implementing a Custom Multiselect Filter in KendoReact TreeList
Updated on Dec 24, 2025
Environment
| Product Version | 13.2.0 |
| Product | Progress® KendoReact TreeList |
Description
I want to implement a custom Multiselect filter for the KendoReact TreeList. The filter must allow users to select multiple values and display only TreeList items containing all selected values. The TreeList does not expose the onChange event for custom filter cells, only the onFilterChange event is available. Attempts to use onFilterChange resulted in runtime errors due to mismatched filter object structures.
This knowledge base article also answers the following questions:
- How to apply a Multiselect filter in KendoReact TreeList?
- Can you use
onFilterChangefor custom filters in KendoReact TreeList? - How to filter items containing multiple values in KendoReact TreeList?
Solution
To implement a custom Multiselect filter for KendoReact TreeList, follow these steps:
- Define the filter cell logic using the
onFilterChangeevent. - Use the
MultiSelectcomponent for filtering values. - Customize the filter logic to ensure the TreeList displays rows containing all selected values.
The key is to create a custom filter cell component that:
- Accepts the current filter state and data
- Renders a
MultiSelectcomponent with the available values - Handles the filter change by creating a custom operator function that checks if the cell value is included in the selected values array
- Provides a clear button to reset the filter
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