Sunday, April 26, 2009

Smart Redirection

I have a situation where I have a test server running on my home network. I was using it to host just one application but when I wanted to do so with 2 or more, I ran into a problem because external URLs could only be redirected to the root folder.

After some experimenting I found a simple solution that seems to work very well:

  1. In the root of Inetpub/wwwroot either remove "default.htm" or change the priority order so that "default.aspx" appears first.
  2. Install into this root folder the two files shown below, Default.aspx and Default.aspx.cs
  3. Then with your IP redirection, use this format: http://your_local_IP_address?app=folder_name - Example:

It's not perfect in that it requires one to add the "app" parameter & value but other than that, it works well. If someone has a simpler solution, I'd love to see it!

Here's the contents of the two required files:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">

<html xmlns="">
<head runat="server">
<form id="form1" runat="server">


using System;
using System.Web;

public partial class _Default : System.Web.UI.Page
protected void Page_Load(object sender, EventArgs e)
string targetFolder = "/MyMajorTestApp"; // Default app to run, in case not "app" parameter is provided
if (Request.Params["app"] != null)
targetFolder = "/" + Request.Params["app"];

HttpContext.Current.Response.Redirect(targetFolder, true);

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