ascx is called by aspx, how to call variables in ascx in aspx

crownprince

form1.ascx (user-defined control)
public class head
public aa as string
end public

form2.aspx
<mycontrols: header id = "ctrlHeader" Runat = "Server"> </ mycontrols: header>

form2.aspx.vb
ctrlHeader.aa = "" Description: Reference the AA variable in FORM1.ascx
The ctrlHeader variable appears undeclared.
What's wrong with it? Seems to refer to imports in form2.aspx.vb, please elaborate

ryd1986

Turn it into an attribute you can call

shenmue024

ctrlHeader should be declared manually.

protected form1 ctrlHeader;

everever30

form1 ctrlHeader = this.Page.FindControl ("ctrlHeader");

crownprince

None of the above methods, I tried