Vorrei sapere la differenza tra <%# variabile %> e <%= variabile %>

codice:
<%@ Page Language="vb" %>
<HTML>
	<HEAD>
		<title>a</title>
		<script runat="server">
			dim variabile$ = "Prova"
			
			Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
				DataBind()
			End Sub
		</script>
	</HEAD>
	<body>
		

<%# variabile %></p>
		

<%= variabile %></p>
	</body>
</HTML>