Fired before the widget binds to its data source.

e.sender kendo.ui.FileManager

The widget instance which fired the event.

e.preventDefault Function

If invoked prevents the data bind action.

e.action String

The action that caused the dataBinding event. Possible values: rebind, sync, add, remove.

e.index Number

Available if the action is add or remove. Shows the index of the added/removed element.

e.items Array

The array of items that shows the elements that are going to be added/removed from the widget dataSource.

e.source String

The source which triggered the event.

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