My understanding of WithConstructorArgument is probably erroneous, because the following is not working:

I have a service, lets call it MyService, whose constructor is taking multiple objects, and a string parameter called testEmail. For this string parameter, I added the following Ninject binding:

string testEmail = "test@example.com";
kernel.Bind<IMyService>().To<MyService>().WithConstructorArgument("testEmail", testEmail);

However, when executing the following line of code, I get an exception:

var myService = kernel.Get<MyService>();

Here is the exception I get:

Error activating string No matching bindings are available, and the type is not self-bindable. Activation path:
2) Injection of dependency string into parameter testEmail of constructor of type MyService
1) Request for MyService

Suggestions:
1) Ensure that you have defined a binding for string.
2) If the binding was defined in a module, ensure that the module has been loaded into the kernel.
3) Ensure you have not accidentally created more than one kernel.
4) If you are using constructor arguments, ensure that the parameter name matches the constructors parameter name.
5) If you are using automatic module loading, ensure the search path and filters are correct.

What am I doing wrong here?

UPDATE:

Here is the MyService constructor:

[Ninject.Inject]
public MyService(IMyRepository myRepository, IMyEventService myEventService, 
                 IUnitOfWork unitOfWork, ILoggingService log,
         IEmailService emailService, IConfigurationManager config,
         HttpContextBase httpContext, string testEmail)
{
    this.myRepository = myRepository;
    this.myEventService = myEventService;
    this.unitOfWork = unitOfWork;
    this.log = log;
    this.e
c# exception dependency-injection ninject ninject-2
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