From ASP.NET 3.5 and IIS 7 there has arrived a new Server.Transfer() named Server.TransferRequest()
The transfer saves a return trip to the client as would be mad by a Response.Redirect().
But these transfers has different capabilities. So which method does what?
Mvolo (Mike Volodarsky) describes it very well: http://forums.iis.net/t/1146511.aspx
Luis did the learning the hard way: http://msmvps.com/blogs/luisabreu/archive/2007/10/09/are-you-using-the-new-transferrequest.aspx