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DropDownButton Events
Updated on Sep 3, 2026
The DropDownButton exposes events that you can use to respond to user actions within the application.
OnClick
The OnClick event fires when the user clicks or taps the primary button or a secondary button. The primary <TelerikDropDownButton> and each of its <DropDownButtonItem> instances execute a separate OnClick handler.
The event argument type is MouseEventArgs.
The event handler can be synchronous (void) or asynchronous (async Task).
Handling the DropDownButton OnClick event
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