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<html>
<head>
<title>Handling Control Action Events</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script language="C#" runat="server">
void greetUser ( Object src, EventArgs e ) {
   message.Text = Page.IsValid ? "Greetings, " + userName.Text + 
      "<br>Welcome to the world of ASP.NET " + 
      "<img src='/shared/biggrin.gif' width=15 height=15 border=0 alt=''>" : "";
}
</script>
</head>

<body>
<!-- #include virtual="~/shared/top.inc" -->
<div class="header"><h2>Handling <span class="hilite">Control</span> Action <span class="hilite">Events</span></h2></div>

<hr size=1 width=92%>

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

   <p>Enter your name: <asp:textbox id="userName" runat="server" />

   <asp:button text="Enter" onClick="greetUser" runat="server" />

   <p><asp:requiredfieldvalidator 
      controltovalidate="userName"
      display="dynamic"
      errormessage="Sorry, but I need to know your name. 
         <img src='/shared/razz.gif' width=15 height=15 border=0 alt=''>"
      forecolor="blue" font-bold
      runat="server" /></p>

   <asp:label id="message" runat="server" />

</div>
</form>

<% if ( IsPostBack ) { %>

   <hr size=1 width=92%>

   <!-- #include virtual="~/shared/viewsrc.inc" -->

<% } %>   

</body>
</html>