ASP.NET
espressioni

Valore da App.Config

<asp:Literal runat="server" text="<%$ AppSettings:MyAppSettingName %>"/>

Espressione valutata

<div>
  The time is now <%= DateTime.Now.ToString() %>
</div>

Code Block all'interno di ASP Markup

<div>
    <form id="form1" runat="server">
        <% 
            for (int i = 1; i <= 10; j++)
            {
                Response.Write(i) + " ";
            }
        %>
    </form>
<div>