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The server-side OnEntryAdded event occurs when an entry is added to the entry area, causing a postback. The postback is triggered when the dropdown is closed. To close the dropdown when a node is selected, you can set DropDownSettings-CloseDropDownOnSelection="true".

The event handler receives two parameters:

  1. The instance of the DropDownTree firing the event

  2. An event argument parameter that contains the following property:

    • Entry - returns the entry that has just being added to the input.

protected void RadDropDownTree1_EntryAdded(object sender, DropDownTreeEntryEventArgs e)
    Label1.Text = e.Entry.Text + " was added.";

Protected Sub RadDropDownTree1_EntryAdded(sender As Object, e As DropDownTreeEntryEventArgs)
    Label1.Text = e.Entry.Text + " was added."
End Sub

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