1<%@ Register Src="~/MyChild.ascx" TagName="MyChild" TagPrefix="uc1" %> 2<%@ Register Src="~/MyParent.ascx" TagName="MyParent" TagPrefix="uc1" %> 3 4<uc1:MyChild runat="server" Imageurl="~/App_Themes/Black/Images/button-login.gif" skinid="login" /> 5<uc1:MyParent runat="server" Imageurl="~/App_Themes/Black/Images/button-login.gif" skinid="login" /> 6