象这样:Private Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
Dim HeaderControl As Control = Page.LoadControl("/Controls/Header.ascx")
Page.Controls.Add(HeaderControl)Dim ContentControl As Control = Page.LoadControl("/Controls/Content.ascx")
Page.Controls.Add(ContentControl)Dim FooterControl As Control = Page.LoadControl("/Controls/Footer.ascx")
Page.Controls.Add(FooterControl)
End Sub

解决方案 »

  1.   

    <%@ Register TagPrefix="Acme" TagName="BookList" Src="pagelet7.ascx" %><html>
         <script language="C#" runat="server">        void Page_Load(Object sender, EventArgs E) {            Page.Controls.Add(new HtmlGenericControl("hr"));            Control c1 = LoadControl("pagelet7.ascx");
                ((Pagelet7CS)c1).Category = "business";
                Page.Controls.Add(c1);            Page.Controls.Add(new HtmlGenericControl("hr"));            Control c2 = LoadControl("pagelet7.ascx");
                ((Pagelet7CS)c2).Category = "trad_cook";
                Page.Controls.Add(c2);            Page.Controls.Add(new HtmlGenericControl("hr"));            Control c3 = LoadControl("pagelet7.ascx");
                ((Pagelet7CS)c3).Category = "mod_cook";
                Page.Controls.Add(c3);
            }    </script><body style="font: 10.5pt 宋体">  <h3>以编程方式创建用户控件</h3></body>
    </html>
      

  2.   

    C#的;
    http://aspalliance.com/399
      

  3.   

    http://www.123aspx.com/ReadReviews.aspx?res=13844