URL routing for subfolders using C# and VB.Net in ASP.Net

Hi power,

Change with Below code.

HTML

Default

<asp:Button ID="Home" Text="Home" runat="server" OnClick="Home_Click" />
<asp:Button ID="Photo" Text="Photo" runat="server" OnClick="Photo_Click" />

Global.asax

C#

<%@ Application Language="C#" %>
<%@ Import Namespace="System.Web.Routing" %>
<script RunAt="server">
    void Application_Start(object sender, EventArgs e)
    {
        RegisterRoutes(RouteTable.Routes);
    }

    static void RegisterRoutes(RouteCollection routes)
    {
        routes.MapPageRoute("Default", "Default", "~/Default.aspx");
        routes.MapPageRoute("Homes", "Homes", "~/Home/Home.aspx");
        routes.MapPageRoute("Photo", "Photo", "~/Home/Photo/Photo.aspx");
    }
</script>

VB.Net

<%@ Application Language="VB" %>
<%@ Import Namespace="System.Web.Routing" %>
<script RunAt="server">
    Private Sub Application_Start(sender As Object, e As EventArgs)
        RegisterRoutes(RouteTable.Routes)
    End Sub

    Private Shared Sub RegisterRoutes(routes As RouteCollection)
        routes.MapPageRoute("Default", "Default", "~/Default.aspx")
        routes.MapPageRoute("Homes", "Homes", "~/Home/Home.aspx")
        routes.MapPageRoute("Photo", "Photo", "~/Home/Photo/Photo.aspx")
    End Sub
</script>

Code

Default

C#

protected void Home_Click(object sender, EventArgs e)
{
    Response.Redirect("~/Homes");
}

protected void Photo_Click(object sender, EventArgs e)
{
    Response.Redirect("~/Photo");
}

VB.Net

Protected Sub Home_Click(sender As Object, e As EventArgs) Handles Home.Click
    Response.Redirect("~/Homes")
End Sub

Protected Sub Photo_Click(sender As Object, e As EventArgs) Handles Photo.Click
    Response.Redirect("~/Photo")
End Sub

Screenshot