If you download any of our trials, a NetAdvantage_Samples_20083.exe file will be included that will install the samples locally on your machine.  Once you install it, the samples can be found under the following directory:

for Vista:

C:\Users\Public\Documents\Infragistics\NetAdvantage for .NET 2008 Vol. 3 CLR 2.0\Samples\ASP.NET\WebShowcase

for XP:

C:\Documents and Settings\All Users\.......