====== ASP.NET Page Structure ======
  * directives<code asp>
<%@ Page Language="VB" %>
</code>
    * Page
    * Import
    * Register
  * code declaration blocks<code asp>
<script runat="server">
  Sub Page_Load()
    messageLabel.Text = "Hello World!"
  End Sub
</script>
</code>
  * code render blocks<code asp>
<% Dim Title As String = "This is generated by a code render block." %>
<%= Title %>
</code>
  * ASP.NET server controls<code asp>
<asp:Label id="messageLabel" runat="server" />
</code>
    * ASP.NET Controls
    * HTML Controls
    * Web User Controls
    * Usually, an ASP.NET control must reside within a <form runat="server"> tag in order to function correctly.
  * server-side comments<code asp>
<%-- Declare the title as string and set it --%>
</code>
  * literal text and HTML tags