Asked  10 Months ago    Answers:  5   Viewed   10 times

I have a simple ASP.NET 3.5 application running under IIS7 under a virtual directory. So the URL of my app is like I want to 301-redirect the request to to for better SEO. I have to do this redirect through code only, not by any IIS settings. I am unable to do so via code mentioned in this article:

The code:

if (request.RawUrl.Equals("/default.aspx"))
newUrl = string.Format("{0}://{1}{2}",
                 request.RawUrl.Remove(request.RawUrl.LastIndexOf("/default.aspx", StringComparison.OrdinalIgnoreCase)));

               context.Response.Status = "301 moved permanently";
               context.Response.AddHeader("Location", newUrl);

seems to go into an infinite loop when the application is under a virtual directory. the request.RawUrl property always returns "/default.aspx" even after a 301 redirect causing the infinite loop. How can I fix this issue?





The above code will work fine as long as you dont have a sub-directory. AFAIK, its a bug in ASP.NET: the Request.RawUrl should NOT contain "/default.aspx" when the URL does not have that extension. I have tested your code and it works fine without a sub directory, but if default.aspx is under a directory, the Request.RawUrl object fails to get rid of default.aspx and hence the infinite loop.

Monday, August 2, 2021
Response.Buffer = true
Response.Status = "301 Redirect"
Response.AddHeader "Location", "redirection-url-goes-here"
Friday, July 30, 2021

I resolved this by opening dev tools (F12), click "Network", then click the "Preserve log" checkbox, and make the request that results in the cached 301. Right-click the request that results in the 301 and click "clear browser cache". Try again and then 301 should no-longer be cached.

Sunday, August 1, 2021

Aku's hint above looked right but it didn't want to work for me. Finally I figured out to use it like this

<script type="text/javascript">
    var config = {
        contextPath: '<%= @Url.Content("~")  %>'

and then in my JavaScript I use it like this

config.contextPath + 'myAppPath".

So in case of no virtual directory this resolves to "/" + "myAppPath" and in case of a virtual directory this resolves to "/VirtualPath/" + + "myAppPath"

and this finally worked for me.

Monday, August 9, 2021

The Visual Studio Development Server is codenamed Cassini.

From ASP.NET 2.0: A Getting Started Guide

Cassini doesn't support virtual directories, security settings, 
or any of IIS's other fancy features; it's just a very simple web server 
that gives you the basics you need to get up and running.

I am using the IIS which is included with Windows XP Pro. It only allows one website without tweaking but does have virtual directories. If you are on Vista, you can setup multiple sites in IIS from what I have heard.

Sunday, August 15, 2021
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