I have a simple aspx file

<%@ Page Language="VB" AutoEventWireup="false" CodeFile="test4.aspx.vb" Inherits="test4" %>

<!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">

<body>
<form id="form1" runat="server">
    <div id="content">
   <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
       <br />
       <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
    </div>
</form>
</body>
</html>

And this is the test4.aspx.vb code file

Partial Class test4
Inherits System.Web.UI.Page

Protected Sub TextBox1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
    TextBox2.Text = TextBox1.Text
End Sub
End Class

Now the problem is that even if i type something in the textBox1 the textchanged event if not firing why??. What should i do??

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