盒子论坛 v2.1

我初学ASP.NET遇到一个小问题,请教高手指点一下,原代码如下:
<%@ Page Language="vb" AutoEventWireup="false" Codebehind="WebForm1.aspx.vb" Inherits="WebApplication2.WebForm1" debug="True"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
  <HEAD>
    <title>WebForm1</title>
    <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
    <meta content="Visual Basic .NET 7.1" name="CODE_LANGUAGE">
    <meta content="VBScript" name="vs_defaultClientScript">
    <meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
   <script language="VB" runat="server">

        Sub Page_Load(sender As Object, e As EventArgs)
          If Not IsPostBack Then
          Dim values as ArrayList= new ArrayList()
          values.Add ("IN")
          values.Add ("KS")
          values.Add ("MD")
          values.Add ("MI")
          values.Add ("OR")
          values.Add ("TN")

          DropDown1.DataSource = values
          DropDown1.DataBind
          End If
        End Sub

        Sub SubmitBtn_Click(sender As Object, e As EventArgs)
          Label1.Text = "您选择了：" + DropDown1.SelectedItem.Text
        End Sub
   </script>
</head>
<body>
    <h3><font face="宋体">数据绑定 DropDownList</font></h3>
    <form runat=server ID="Form1">
          <asp:DropDownList id="DropDown1" runat="server" />
        <asp:button Text="提交" OnClick="SubmitBtn_Click" runat=server ID="Button1"/>
        <asp:Label id=Label1 font-name="宋体" font-size="10.5pt" runat="server" />
    </form>
</body>
</html>
为什么绑定的数据显示不出来啊?
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每当我想往高处飞翔，总感到太多的重量，远方是一个什么概念，如今我已不在想。

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