2个页面间不通过Session与url的传值方式

下面是全部代码，已经编译通过。
Chuandi（传递）是名字空间

WebForm1:
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" Inherits="chuandi.WebForm1" %>
<HTML>
 <HEAD>
  <title>WebForm1</title>
 </HEAD>
 <body>
  <form id="Form1" method="post" runat="server">
   <asp:TextBox id="TextBox1" runat="server"></asp:TextBox>
   <asp:Button id="Button1" runat="server" Text="传"></asp:Button>
  </form>
 </body>
</HTML>
using System;
namespace chuandi
"WebForm2.aspx");
  "c#" Codebehind="WebForm2.aspx.cs" Inherits="chuandi.WebForm2" %>
<%@ Reference Page="WebForm1.aspx" %>
<HTML>
 <HEAD>
  <title>WebForm2</title>
 </HEAD>
 <body>
  <form id="Form1" method="post" runat="server">
   <asp:Label id="Label1" runat="server">Label</asp:Label>
   <asp:Button id="Button1" runat="server" Text="返回"></asp:Button>
  </form>
 </body>
</HTML>
using System;
namespace chuandi
"上页传来的是："+wf1.Text1;
   "WebForm1.aspx");
  }
 }