How to hide the window containing the UserControl and call the method on the page that contains UserControl?

[Cyrus]

Hi!
It's my first UserControl:

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="Panel.ascx.cs" Inherits="UserControls_AccountPanel" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>

<script type="text/javascript">
    win = <%= ModalWindow.ClientID %>;
</script>
<ext:Panel runat="server" BaseCls="x-plain" Cls="btn-panel">
  <Items>
    <ext:TableLayout runat="server" Columns="3">
      <Cells>
        <ext:Cell>
          <ext:Button ID="LoginButton" runat="server" Text="<%$ Resources:Authentication, LoginButton %>" Icon="UserKey" Scale="Medium">
            <DirectEvents>
              <Click OnEvent="OpenLoginWindow">
                <EventMask ShowMask="true" MinDelay="250"/>
              </Click>
            </DirectEvents>
          </ext:Button>
        </ext:Cell>
       ?
      </Cells>
    </ext:TableLayout>
  </Items>
</ext:Panel>

<ext:Window ID="ModalWindow" runat="server" Modal="true" Hidden="true">
  <Content>
    <asp:PlaceHolder ID="WindowPlaceHolder" runat="server"/>
  </Content>
  <DirectEvents>
    <Hide OnEvent="" />
  </DirectEvents>
</ext:Window>

It's codebehind:

?
    protected void OpenLoginWindow(object sender, DirectEventArgs e)
    {
        ChangeUserControl("Login.ascx");
    }

    private void ChangeUserControl(string ucPath)
    {
        var ucLogin = LoadControl(ucPath);
        WindowPlaceHolder.Controls.Clear();
        WindowPlaceHolder.Controls.Add(ucLogin);
        ModalWindow.UpdateContent();
        ModalWindow.Show();
    }
?

Login.ascx

<%@ Control Language="C#" ClassName="Login" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<ext:Button runat="server" Text="dddd">
  <Listeners>
    <Click Handler="win.hide(null); return false;"/>
  </Listeners>
</ext:Button>

I assign in the parent UserControl JS-variable, but I can not call in Login.ascx. How to realize such a trick?
How to return value?

[miguel]

Did you figure this out? I am having the same question.

Miguel.