var wsLogin = new AuthServiceClient();
AuthType[] authTypes = { AuthType.NO_BuyPass, AuthType.NO_BankID };
AuthenticationOptions authOptions = new AuthenticationOptions();
authOptions.ReturnSSN = false;
authOptions.AuthTypes = authTypes;
authOptions.NextUrl = @"https://someurl/LoginDone";
authOptions.CancelUrl = @"https://someurl/LoginStart";
var loginObj = wsLogin.InitAuth("Contact Signant for DistributorID", "Contact Signant for AccessCode", authOptions);
if (loginObj.StatusID == 0)
return Redirect(loginObj.AuthenticationUrl);