$Id: asp.txt 1813 2008-04-04 04:10:51Z mjs $

## HOWTO: Check whether a particular parameter exists in the query string

    Request.QueryString("foo").Count == 0

## HOWTO: Get self/current URL

    Request.ServerVariables("URL")

## HOWTO: Convert string to lower/upper case (in VBScript)

    LCase() and UCase()
  
## HOWTO: Sort (in VBScript)

You can't!  You have to roll [your own sort function](http://www.microsoft.com/technet/scriptcenter/resources/qanda/nov04/hey1122.mspx).