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PreviousPage FindControl (VB)

<%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">     <title>Untitled Page</title> </head> <body>     <form id="form1" runat="server">     <div>         <asp:TextBox ID="TextBox1" Runat="server"></asp:TextBox>         <asp:Button ID="Button1" Runat="server" Text="Button"              PostBackUrl="~/NextPage.aspx" />     </div>     </form> </body> </html> File: NextPage.aspx <%@ Page Language="VB" AutoEventWireup="false" CodeFile="NextPage.aspx.vb" Inherits="Step2" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">     <title>Step 2</title> </head> <body>     <form id="form1" runat="server">     <div>         <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label></div>     </form> </body> </html> File: NextPage.aspx.vb Partial Class Step2     Inherits System.Web.UI.Page     Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) _              Handles Me.Load         If PreviousPage IsNot Nothing AndAlso PreviousPage.IsCrossPagePostBack Then             Dim text As TextBox = CType(PreviousPage.FindControl("TextBox1"), TextBox)             If text IsNot Nothing Then                 Label1.Text = text.Text             End If         End If     End Sub End Class