.NET Request object properties

Request Property Function and Example

• ApplicationPath -Returns the a Web server relative path to your application root /WestwindWebStore/


• PhysicalApplicationPath -
  Returns a local file system path to your application root D:\inetpub\wwwroot\WestWindWebStore\


• PhysicalPath - Returns the full file system path to the currently executing script D:\inetpub\wwwroot\WestWindWebStore\Item.aspx


• CurrentExecutionFilePath - FilePath


• Path - In most situations all of these return the virtual path to the currently executing script relative to the Web Server root. /WestwindWebStore/item.aspx


• PathInfo - Returns any extra path following the script name. Rarely used – this value is usually blank. /WestwindWebStore/item.aspx/ExtraPathInfo


• RawUrl - Returns the application relative URL including querystring or pathinfo
  /WestwindWebStore/item.aspx?sku=WWHELP30


• Url - Returns the fully qualified URL including domain and protocol
  http://www.west-wind.com/Webstore/item.aspx?sku=WWHELP30


• Page.TemplateSourceDirectory - Control.TemplateSourceDirectory
  Returns the virtual path of the currently executing control (or page). Very useful if you need to know the location of your ASCX control instead of the location of the page. /WestwindWebStore/admin

Above copied from http://www.west-wind.com/weblog/posts/269.aspx

Link to the application root
use Request.ApplicationPath