<%@ Page Language="vb" %>
<html>
<head>
<title>FindControl method example</title>
<script runat="server">
Sub Page_Load()
Dim TheControl As Control = FindControl("Message")
If Not TheControl Is Nothing Then
Dim TheLabel As Label = CType(TheControl, Label)
TheLabel.Text = "Found the label named Message!"
TheLabel.BackColor = System.Drawing.Color.Blue
End If
End Sub
</script>
</head>
<body>
<asp:label id="Message" runat="server"/>
</body>
</html>