Default Button on Enter in ASP.NET

Here is a sample of  <div>  with default button, that will be triggered when you hit enter button on any element which is in the division.

<div onkeypress="return WebForm_FireDefaultButton(event, '<%= btndefault.ClientID %>')">
 <!-- put your form cntrols here -->
 
 <asp:Button ID="btndefault" runat="server" Text="Click" />
</div>