From Mvc 2.0 there is only aspx view engine which supports only aspx web form syntax .
But from MVC 3.0 new view engine introduced Razor view engine .Feature of razor view engine
1)It is Test driven development support
2)It uses Unit testing only , this is the best advantages , not view engine does not support that.
3)it uses @ syntax for scope , example @Html.TextBoxfor()
other way @{} using this code any c# scope can be created
4)Razor view engine supports XSS(Cross site scripting) , it uses <> tags
5)The main namespace of this view engine system.web.razor
6)It supports two type of language extension c# and Vb, the extension are like .cshtml and .vbhtml