Hi

ASP.NET 3.5 Features.

1. Nested Master Pages.

2. Datapager Control.

3. Listview  Control.

4.Silverlight.

5. Ajax 

Hi,

.Net Framework 3.5 can have Some of  New Fetures(c#)

1.Linq to Sql (liq to sql,linq to dataset,linq to xml,linq to entities,linq to objects etc)

2.Lambda Expression.

3.Annoymous Types.

4.Extenction Methods.

5.Paritial Methods.

6.Local type Varibles.

Asp.net

1.Datapager Control.

2.Listview Control

3.Ajax toolkit

Thanks,

Narasima