asp.net source code blog

Do you have many pages like these:

http://www.yoursite.com/Default.aspx?page=page1

http://www.yoursite.com/Default.aspx?page=page2

...

http://www.yoursite.com/Default.aspx?page=pageN

For all these dynamic paths, you use only Default.aspx page to display them,

it would be better (especially for SEO) if you can have pages like:

http://www.yoursite.com/page1.aspx or http://www.yoursite.com/page2.aspx

You can do it very easy that using asp.net, just follow the steps below:

1. Add Global.asax file in your asp.net app

2. Handle Application_BeginRequest and add the code below:

protected void Application_BeginRequest(Object sender, EventArgs e)
{
      HttpContext incoming = HttpContext.Current;
      string oldpath = incoming.Request.Path.ToLower();
      string pageid; // page id requested

      // Regular expressions to get the page id from the pageN.aspx
      Regex regex = new Regex(@"page(\d+).aspx", RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
      MatchCollection matches = regex.Matches(oldpath);

      if (matches.Count > 0)
     {
         // Extract the page id and send it to Process.aspx
         pageid = matches[0].Groups[1].ToString();
         incoming.RewritePath("Default.aspx?page=" + pageid);
     }
     else
    {
        // Display path if it doesn’t containt pageX.aspx
        incoming.RewritePath(oldpath);
     }
}

That's really everything you need to do. In your Default.aspx code-behind class you can get the page param by the Request.QueryString method:

protected void Page_Load(object sender, EventArgs e)
{
   ...
   string pageId = Request.QueryString["page"];
   ...
}

That's all :)