Update Progress Bar Time Out

<div>

<asp:ScriptManager ID="SM1" runat="server" />

<div style="border:1px solid #c0c0c0;padding:15px;">

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

<ContentTemplate>

Name: <asp:TextBox ID="txtBox1" runat="server" /><br />

<asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="SubmitData" />

<p><asp:Label ID="lblMessage" runat="server" EnableViewState="false" /></p>

</ContentTemplate>

</asp:UpdatePanel>

</div>

<asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1">

<ProgressTemplate>

<div style="margin-left:40%;margin-top:10%;position:absolute;background:yellow;color:Red;font-size:30px;text-align:center;padding:5px;">Please wait ...</div>

</ProgressTemplate>

</asp:UpdateProgress>

</div>

protected void SubmitData(object sender, EventArgs e)

{

lblMessage.Text = "Your name is: " + txtBox1.Text;

System.Threading.Thread.Sleep(90000);

}