asp.net.ph Source Code Viewer

<%@ Page EnableSessionState="false" %>

<html>
<head>
<title>C# Primer: Conditional Switch Statement</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script language="C#" runat="server">
void Page_Load ( Object Sender, EventArgs e ) {
   if ( !IsPostBack ) {
      // initialize selection
      myList.SelectedIndex=3;
      book.KeywordFilter="csharp";
      showBook ( );
   }
   else {
      // get selection
      // each case label in a switch statement can call a different method.
      // this example simply shows the gist.
      switch ( myList.SelectedIndex ) {
         case 1:
            book.KeywordFilter="aspnet";
            showBook ( );
            break;
         case 2:
            book.KeywordFilter="adonet";
            showBook ( );
            break;
         case 3:
            book.KeywordFilter="csharp";
            showBook ( );
            break;
         case 4:
            book.KeywordFilter="vbnet";
            showBook ( );
            break;
         case 5:
            book.KeywordFilter="xml";
            showBook ( );
            break;
      }
   }
}

void showBook ( ) {
   string filter = myList.SelectedItem.Text;
   filter = filter == "C#" ? "C sharp" : filter;
   msg.Text="<a href='http://www.amazon.com/exec/obidos/external-search?tag=rvnunz0525-20&mode=books&keyword=" + 
      filter + "' target='_blank'>Check out other " + myList.SelectedItem.Text + " books at Amazon</a>";
   book.Visible = true;
}
</script>
</head>

<body>
<!-- #include virtual="~/shared/top.inc" -->
<div class="header"><h2>C# Primer: <span class="hilite">Conditional Switch Statement</span></h2></div>
<hr size=1 width=92%>

<div align="center">
<form runat="server">

   <p>Select subject: 
   <asp:dropdownlist id="myList" width=100 runat="server">
      <asp:listitem />
      <asp:listitem text="ASP.NET"/>
      <asp:listitem text="ADO.NET"/>
      <asp:listitem text="C#"/>
      <asp:listitem text="VB .NET"/>
      <asp:listitem text="XML.NET"/>
   </asp:dropdownlist>

   <asp:button text="Submit" runat="server" />

   <p><asp:adrotator id="book" visible=false
      advertisementfile="~/shared/books.xml"
      bordercolor="silver" borderwidth=1
      target="_blank" height=140 runat="server" />

   <p><asp:label id="msg" runat="server" />

</form>
</div>

<hr size=1 width=92%>
<!-- #include virtual="~/shared/viewsrc.inc" -->

</body>
</html>