Include a file in ASP.NET

Good afternoon, I try to make an include in my aspx file. but in doing so, he puts it in the form of a comment.

<%@ Page Language="VB" Explicit="True" Debug="true"%>
<!-- #INCLUDE FILE="lib-login.aspx" -->
<!-- #INCLUDE FILE="lib-sportcity.aspx" -->

The problem is the one I describe below, I have the following method in "lib-sportcity.aspx":

  Public Function SCC_ObtenConfiguracionClub(
                                   ByVal sDbServidores As String,
                                   ByVal sIP As String,
                                   ByRef sDBConexion As String,
                                   ByRef sDBSolomon As String,
                                   ByRef sClubId As String,
                                   ByRef sClubName As String
) As Boolean

And I try to access it in "login.aspx":

If SCC_ObtenConfiguracionClub(
                  Application("ConexionServidores"),
                  Request.ServerVariables("LOCAL_ADDR"),
                  sConexion,
                  sDBSolomon,
                  sClubId,
                  sClubName)

But it marks me an error when trying to access it, the same thing happens to me with another page.

Could you help me? Thank you very much.