| default.aspx
 
 | <%@ Page Language="C#" %>
<!DOCTYPE html>
 <script runat="server">
  protected void Lookup_Click( object sender, EventArgs e ) {
   Result.Text = "Hi " + Name1.Text + ", you selected: " +
    Category.SelectedValue;
  }
 </script>
 <body>
  <form id="form1" runat="server">
   Name: <asp:TextBox ID="Name1" runat="server" />
   Category:
   <asp:DropDownList ID="Category" runat="server">
    <asp:ListItem Selected="True">psychology</asp:ListItem>
    <asp:ListItem>business</asp:ListItem>
    <asp:ListItem>popular_comp</asp:ListItem>
   </asp:DropDownList>
   <asp:Button ID="Lookup" runat="server" Text="Lookup" />
   <asp:Label  ID="Result" runat="server" Text="" />
  </form>
 </body>
</html> | 
 | Web
 
 |