<com:TContent ID="Content"> <com:TForm> <com:TPanel DefaultButton="Button2" Width="400px"> This is panel content with a <com:TLabel Text="label" Font.Italic="true" /> and two buttons: <br/> <com:TCheckBox /> <com:TButton ID="Button1" Text="button1" Click="buttonClicked" /> <com:TButton ID="Button2" Text="button2" Click="buttonClicked" /> <com:TLabel ID="Result" ForeColor="red" /> <br/> When you change focus to the panel and hit 'enter' key, <tt>button2</tt> will be clicked because it is set as the default button of the panel. </com:TPanel> <com:TLinkButton Text="button 3" Click="buttonClicked" /> <com:TJavascriptLogger /> </com:TForm> </com:TContent>