Example of undefined in Javascript Tree Grid Control

Column Chooser

This sample demonstrates the column chooser feature in Tree Grid. Click the column chooser icon in the toolbar to open column chooser and you can select columns to hide/show from the checkbox list.

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The Tree Grid columns can be shown/hidden dynamically by using column chooser. To enable column chooser behavior, set showColumnChooser property as true. You can also prevent the display of a column by setting columns->showInColumnChooser as false in columns definition. In this demo, when the user clicks column chooser icon from the toolbar then the column chooser menu will open. User can show or hide the columns by changing the state of the checkbox. Injecting Module: Tree Grid features are segregated into individual feature-wise modules. To use column chooser feature, we need to inject ColumnChooser module using the TreeGrid.Inject(ColumnChooser) section. More information about Column Chooser can be found in this documentation section.