public ActionResult WelcomeEmail(string Email)
        {

            <b>string EmailM =(string) Session["Email"]</b> ;
            Cliente u = new ClienteRepository().Get(EmailM);
            if (u != null)
            {
                ViewData["email"] = u.Email;
                ViewData["pss"] = u.Password;
            }
            return View();
        }

        public void SendTemplatedEmail(string from,
                                      string to,
                                     string subject,
                                      string templatePath)
        { 

            MailMessage mm = new MailMessage(from, to);
            mm.Subject = subject;
            string _host = System.Configuration.ConfigurationManager.AppSettings["Host"];
            string _userName = ConfigurationManager.AppSettings["Username"];
            string _password = ConfigurationManager.AppSettings["Password"];
            mm.Body = GetEmailBody(templatePath);

            if (mm.Body != "")
            {
                mm.IsBodyHtml = true;
                SmtpClient smtp = new SmtpClient(_host);
                smtp.Credentials = new NetworkCredential(_userName, _password);
                smtp.Send(mm);
            }
        }

        public string GetEmailBody(string templatePath)
        {
            System.Net.WebClient objWebClient = new System.Net.WebClient();
            byte[] aRequestedHTML = null;
            string strRequestedHTML = null;
            string path = templatePath;
            aRequestedHTML = objWebClient.DownloadData(path);
            System.Text.UTF8Encoding objUTF8 = new System.Text.UTF8Encoding();
            strRequestedHTML = objUTF8.GetString(aRequestedHTML);

            return strRequestedHTML;
        }

RazorEngine.Templating.TemplateCompilationException was unhandled by user code
  Message=Unable to compile template. Check the Errors list for details.
  Source=RazorEngine
  StackTrace:
       at RazorEngine.Compilation.DirectCompilerServiceBase.CompileType(TypeContext context)
       at RazorEngine.Templating.TemplateService.CreateTemplate(String template, Type modelType)
       at RazorEngine.Templating.TemplateService.GetTemplate(String template, Type modelType, String name)
       at RazorEngine.Templating.TemplateService.Parse[T](String template, T model, String name)
       at RazorEngine.Razor.Parse[T](String template, T model, String name)
       at ScontiSubito.Controllers.RegistrazioneController.GetEmailBody(String templatePath, Cliente u) in C:\Users\Marcos\Documents\Visual Studio 2010\ProgettiDiTest\TestEmailManagerLocale\EmailManager\ScontiSubito\Controllers\RegistrazioneController.cs:line 499
       at ScontiSubito.Controllers.RegistrazioneController.SendTemplatedEmail(String from, String to, String subject, String templatePath, Cliente u) in C:\Users\Marcos\Documents\Visual Studio 2010\ProgettiDiTest\TestEmailManagerLocale\EmailManager\ScontiSubito\Controllers\RegistrazioneController.cs:line 483
       at ScontiSubito.Controllers.RegistrazioneController.Create(Cliente obj, String returnUrl) in C:\Users\Marcos\Documents\Visual Studio 2010\ProgettiDiTest\TestEmailManagerLocale\EmailManager\ScontiSubito\Controllers\RegistrazioneController.cs:line 197
       at lambda_method(Closure , ControllerBase , Object[] )
       at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
       at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
       at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
       at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12()
       at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
  InnerException: