The TreeList enables you to display only those TreeList records which meet specified criteria.
To enable filtering:
- Handle the
- Bind the
filteroption to the respective class field.
The filtering conditions are declared as
FilterDescriptors. Each consecutive filter is added to the previous ones and reduces the subset of data. For additional information, refer to the article on the process helpers for bulk data operations.
Alternatively, you can automate and customize the filtering functionality through the available data-binding directives.
By default, when filtering is enabled, the TreeList renders a filter row in its header. Based on the type of data the columns contain, the filter row displays textboxes in each column header where the user can filter string, numeric, or date inputs.
The TreeList also enables you to embed a drop-down filter menu directly in each column header. To add a filter menu to the TreeList, set