//this example is an ASP.NET MVC action method
public ActionResult Login()
{
	//TODO: specify the SAML provider url here, aka "Endpoint"
	var samlEndpoint = "http://saml-provider-that-we-use.com/login/";

	var request = new AuthRequest(
		"http://www.myapp.com", //TODO: put your app's "entity ID" here
		"http://www.myapp.com/SamlConsume" //TODO: put Assertion Consumer URL (where the provider should redirect users after authenticating)
		);

	//redirect the user to the SAML provider
	return Redirect(request.GetRedirectUrl(samlEndpoint));
}

//ASP.NET MVC action method... But you can easily modify the code for Web-forms etc.
public ActionResult SamlConsume()
{
	// 1. TODO: specify the certificate that your SAML provider gave you
	string samlCertificate = @"-----BEGIN CERTIFICATE-----
BLAHBLAHBLAHBLAHBLAHBLAHBLAHBLAHBLAHBLAHBLAHBLAH123543==
-----END CERTIFICATE-----";

	// 2. Let's read the data - SAML providers usually POST it into the "SAMLResponse" var
	Saml.Response samlResponse = new Response(samlCertificate, Request.Form["SAMLResponse"]);

	// 3. We're done!
	if (samlResponse.IsValid())
		username = samlResponse.GetNameID();
}

if (samlResponse.IsValid())
{
	//WOOHOO!!! user is logged in

	//Some more optional stuff for you
	//let's extract username/firstname etc
	string username, email, firstname, lastname;
	try
	{
		username = samlResponse.GetNameID();
		email = samlResponse.GetEmail();
		firstname = samlResponse.GetFirstName();
		lastname = samlResponse.GetLastName();
	}
	catch(Exception ex)
	{
		//insert error handling code
		//no, really, please do
		return null;
	}

	//user has been authenticated, put your code here, like set a cookie or something...
	//or call FormsAuthentication.SetAuthCookie() or something
}