Question

Using ASP.NET MVC can be used the view engine Razor.

Razor let you use c# code after the @ sign.

As example

@if (Model.Category == "watersports")
{
    <p>Splash!!</p>
}

Furthermore you can use something like @DateTime.Now for get the current time.
My question is: what functions can be used? From where Razor import them?

Answer 1

Any public class. They get imported with @using MyNamespace. You can also import them in the config file

<system.web.webPages.razor>

element.