Since Monday, I have been really digging into the asp codes. ASP is pretty new to me. But I must say, I am cool with LAMP (Linux, Apace, MYSQL, PHP).

I had to scan several websites for the information. But good to see some really well explained articles on the same. So just thought of forming a guide on ULR Rewriting in asp.net

• URL Rewriting in ASP.NET by Scott Mitchell (MSDN) - examines how to implement URL rewriting in a HTTP module; also explains how to handle postbacks.
• Tip/Trick: Url Rewriting with ASP.NET by Scott Guthrie - Examines four approaches: 1) Use Request.PathInfo Parameters Instead of QueryStrings; 2) Using an HttpModule to Perform URL Rewriting; 3) Using an HttpModule to Perform Extension-Less URL Rewriting with IIS7; 4) ISAPIRewrite to enable Extension-less URL Rewriting for IIS5 and IIS6; also discusses how to handle ASP.NET postbacks correctly with URL rewriting.
• URL Rewriting by Salman (CSharpFriends) - simple implementation of URL rewriting logic within the Application_BeginRequest() method of the Global.asax file.
• Search Engine Friendly URLs using ASP.NET (C#.NET) by Maziar Aflatoun (The UK Web Design Company) - similar to the above, but regular expression is used to match URLs.
• Rewrite.NET - A URL Rewriting Engine for .NET by Robert Chartier (15Seconds.com). Solution steps:
  Create the HttpModule to process the web request and rewrite the URL
  Add the handler in Web.config
  Create a configuration section in Web.config to define URL mapping rules
  Add extensibility by creating a rules engine interface
  Write class or classes to implement rules engine interface
  Add code to the HttpModule to dynamically load the desired rules from Web.config
• URL Rewriting with ASP.NET by Richard Birkby (CodeProject) - shows how legacy ASP sites can be upgraded to ASP.NET, while maintaining links from search engines. Solution steps:
  Create the configuration section in Web.config for defining URL mapping rules
  Write the configuration section handler class, incorporating the URL rewriting logic
  Create a call to handler in Global.asax in Application_BeginRequest() method
  Compile the code and install the rewriter assembly in the Global Assembly Cache (GAC)
  Configure IIS to map non- .aspx files to the ASP.NET ISAPI extension

The above articles will surely help on URL “re-write” with the ASP.NET web applications.

Enjoy

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