passing values from main webform to include template pages

I'm new to ASP.Net... I have a web page (myform.aspx) that is put together using 3 include files, header.cscx, left.cscx, & footer.cscx (each has their own .cscx.vb files). I want to assign some custom values on myform.aspx.vb, how can I get these custom values in my one of my includes files, ie. header.cscx.vb?
'**********This is myform.aspx*************
<%@dotnet.itags.org. Register TagPrefix="UC" TagName="footer" src="http://pics.10026.com/?src=footer.ascx"%>
<%@dotnet.itags.org. Register TagPrefix="UC" TagName="left" src="http://pics.10026.com/?src=left.ascx"%>
<%@dotnet.itags.org. Register TagPrefix="UC" TagName="header" src="http://pics.10026.com/?src=header.ascx"%>
<%@dotnet.itags.org. Page Language="vb" AutoEventWireup="false" Codebehind="myform.aspx.vb" Inherits="intranet.myform"%>
<UC:header id="header" runat="server" />
<UC:left id="left" runat="server" />
<TABLE><TR><td>My contents go here...</td></TR></TABLE>
<UC:footer id="footer" runat="server" />

'**********This is myform.aspx.vb*************
Public Class myform
Inherits System.Web.UI.Page
Protected WithEvents lblPageTitle As System.Web.UI.WebControls.Label
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
lblPageTitle.Text = "Welcome to my home page!"
End Sub
End Class

'**********This is header.ascx*************
<%@dotnet.itags.org. Control Language="vb" AutoEventWireup="false" Codebehind="header.ascx.vb" Inherits="intranet.header" %>
'I don't have any HTML code here yet (all are in header.acsx.vb) b/c I'm still working on the sepration between HTML design and codebehind page.

'**********This is header.ascx.vb*************
Public Class header
Inherits System.Web.UI.UserControl
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

'How can I get the value of lblPageTitle here so I can display it in the HTML Title tag??
'I have other values that I want to pass to this page too, but for this example, I'm just trying to get the value of lblPageTitle from myform.aspx.vb
Response.Write("<HTML><HEAD>")
Response.Write("<title>lblPageTitle</title>")
Response.Write("</HEAD><BODY>")
...
End Sub
End Class1) Cookie
2) Session Variable
3) Query String
I think any of these will work for what you're describing. You'retrying to get som value to be accessible to your user controls from themain page.

Have you thought of using properties inside the usercontrols?
check this please:
An Extensive Examination of User Controls
The best reference to UserControls
Regards
Thank you so much, it's exactly what I need!
That is great, Im happy for you.
regards

passing variables from an aspx file to an ascx file...

I had a page that used includes, the include files used a variable which was set in the main page for certain functions...

I want to duplicate this using asp.net but haven't been able to successfully do it.

For clarity, I want to:

*define a variable in my aspx page
*call a user control in an ascx file
*inside the user control I want to see and use the variable set in the aspx file...

Help!!

Thanks in advance!

GeorgeI'm pretty sure if you create public global variables in your ascx file you can then set their value in the aspx file:

 //In your .aspx file
 MyUserControl.VariableA = "this and that";

check this thread...

http://www.asp.net/Forums/ShowPost.aspx?tabindex=1&PostID=332537