Bucles, condiciones y casos switch en Razor

@for(var i=10; i<21; i++)
{
	<p>Line @i</p>
}

@foreach(var x in String)
{
	<li>@x</li>
}

@while(i<5)
{
	i+=1;
	<p>Line @i</p>
}

@if()
{
	
}
else
{
	
}

@switch(Option)
{
	case "Monday":
		message="This is the first weekday.";
		break;
	case "Thursday":
		message="Only one day before weekend.";
		break;
	case "Friday":
		message="Tomorrow is weekend!";
		break;
	default:
		message="Today is " + day;
		break;
}