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Models not recognized in namespace

Heey all,
I'm working on a Umbraco website. I try to reach my renderModels from my controller but, it says to me that type or namespace could not be found. So i try to add using namespace.Models;.
When i do this the namespace.controllers is reachable but when i try namespace.Models; it gives me the error the type or namespace name 'Models' does not exist in the namespace.
The folder Models does exist.
I tried searching online for it but could not find a awnser. Pls help
Edit 1
Model
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Umbraco.Core.Models;
using Umbraco.Web;
using Umbraco.Web.Models;
using System.Globalization;
namespace MyNamespace.Models
{
public class HomeRenderModel : BaseRenderModel
{
public HomeRenderModel()
{
//
// TODO: Add constructor logic here
//
}
}
}
Controller
using System.Web.Mvc;
using Umbraco.Web.Models;
using Umbraco.Web.Mvc;
using MyNamespace.Models;
namespace MyNamespace.Controllers
{
public class HomeController : RenderMvcController
{
public override ActionResult Index(RenderModel model)
{
var rendermodel = new HomeRenderModel(model.Content, model.CurrentCulture);
return CurrentTemplate(rendermodel);
}
}
}

Hope this helps, but basically I did the tutorial that mentions the model and controller etc. out there and had the same problem. I figured out that I had created the model folder containing the classes in the wrong place. You may have the same simple problem here.
Minimize all your folders in the project explorer, and then expand to see where you placed them. Your sub folders need to be in the project (in the 'folder' with the little globe icon, not above it with the solution properties.)

Xamarin Forms UWP Missing Phone Call Manager Assembly

PROBLEM
Working through Xamarin University course XAM120. Reached a blocker in adding my IDial implementation to my UWP project. For some reason my project is not picking up the PhoneCallManager API on my system.
Error:
Error CS1069
The type name 'PhoneCallManager' could not be found in the namespace 'Windows.ApplicationModel.Calls'. This type has been forwarded to assembly 'Windows.Foundation.UniversalApiContract, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null, ContentType=WindowsRuntime' Consider adding a reference to that assembly.
Code:
using System.Threading.Tasks;
using Windows.Foundation.Metadata;
using Phoneword.UWP;
using Xamarin.Forms;
namespace Phoneword.UWP
{
public class PhoneDialer : IDialer
{
public Task<bool> DialAsync(string phoneNumber)
{
if (ApiInformation.IsApiContractPresent("Windows.ApplicationModel.Calls.CallsPhoneContract", 1, 0))
{
Windows.ApplicationModel.Calls.PhoneCallManager.ShowPhoneCallUI(phoneNumber, "Phoneword");
return Task.FromResult(true);
}
return Task.FromResult(false);
}
}
}

Add the following reference to your UWP project:

Don't forget to enable the Phone Dialer capabilities in UWP.

For Dependency Injection to work in Xamarin you need to tell it to couple your class with the correct interface!
So above your namespace Phoneword.UWP line place following
[assembly: Xamarin.Forms.Dependency (typeof (PhoneDialer))]
Look at the tutorial in the docs : https://developer.xamarin.com/guides/xamarin-forms/application-fundamentals/dependency-service/introduction/#Registration

Why I cannot use HttpResponseMessage class?

I'm new to ASP.NET Web API and want to make HttpResponseMessage instance from a utility class I made. Then I made very simple class.
But following compile error occurred.
CS0246: The type or namespace name 'HttpResponseMessage' could not be
found (are you missing a using directive or an assembly reference?)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Web;
namespace myapplication.App_Code.Utils
{
public class HttpUtility
{
// compile error here
public HttpResponseMessage GetHttpResponseMessage ()
{
return new HttpResponseMessage();
}
}
}
HttpResponseMessage is available from Controller Class which was made automatically by ASP.NET but not my Utility class.
What am I missing?

I have noticed that you placed your class in App_Code folder in your project. This folder has a special purpose in ASP.NET world and should be used for shared classes and business objects that you want to compile as part of your application. So either move your class into another folder, or change its Build Action in properties section to Compile.

The type or namespace name does not exist

I know there are several similar topics like this on this site, but I can't find a solution that works. I have a solution called 'SportsStore' and it contains 3 projects, ALL that use the full .NET 4 framework. The projects are named 'SportsStore.Domain', 'SportsStore.UnitTests' and 'SportsStore.WebUI'.
Within the 'SportsStore.WebUI' project, I created a folder called 'Infrastructure' and in it I have a class called 'NinjectControllerFactory.cs' The complete code for it is below. Note the last 'using' statement at the top: 'using SportsStore.Domain.Abstract'. My program will NOT compile and it tells me the namespace does not exist. Intellisense recognizes 'SportsStore' but only says 'WebUI' is my next option. It will not recognize 'SportStore.Domain' at all. I have tried cleaning, rebuilding, closing, opening, rebooting, changing frameworks back to Client for all projects and then back to Full, and nothing seems to work.
Bottom line is I'm trying to get access to my IProductRepository.cs repository file which is part of the SportsStore.Domain.Abstract namespace in the 'SportsStore.Domain' project.
I'm hoping this is something easy to correct? Thanks in advance!
using System;
using System.Collections.Generic;
using System.Web.Mvc;
using System.Web.Routing;
using System.Linq;
using Ninject;
using Moq;
using SportsStore.Domain.Abstract;
//To begin a project that uses Ninject and/or Moq (mocking data) you
//need to add reference to them. Easiest way is to select 'View', then
//'Other Windows', and 'Package Manager Console'. Enter the commands:
//Install-Package Ninject -Project SportsStore.WebUI
//Install-Package Ninject -Project SportsStore.UnitTests
//Install-Package Moq -Project SportsStore.UnitTests
//We placed this file in a new folder called 'Infrastructure' within the
//'SportsStore.WebUI' project. This is a standard way to define what we
//need to do with Ninject since we are going to use Ninject to create our
//MVC application controllers and handle the dependency injection (DI).
//To do this, we need to create a new class and make a configuration
//change.
//Finally we need to tell MVC that we want to use this class to create
//controller objects, which we do by adding a statement to the
//'Global.asax.cs' file in this 'SportsStore.WebUI' project.
namespace SportsStore.WebUI.Infrastructure
{
public class NinjectControllerFactory : DefaultControllerFactory
{
private IKernel ninjectKernel;
public NinjectControllerFactory()
{
ninjectKernel = new StandardKernel();
AddBindings();
}
protected override IController GetControllerInstance(RequestContext requestContext, Type controllerType)
{
return controllerType == null
? null
: (IController)ninjectKernel.Get(controllerType);
}
private void AddBindings()
{
//During development, you may not want to hook your IProductRepository to
//live data yet, so here we can create a mock implementation of the data
//and bind it to the repository. This is MOQ in work - great tool to allow
//you to develop real code and make it think it's using the live data. This
//uses the 'System.Linq' namespace
Mock<IProductRepository> mock = new Mock<IProductRepository>();
mock.Setup(m => m.Products).Returns(new List<Product>
{
new Product { Name = "Football", Price = 25 },
new Product { Name = "Surf board", Price = 179 },
new Product { Name = "Running shoes", Price = 95 }
}.AsQueryable());
ninjectKernel.Bind<IProductRepository>().ToConstant(mock.Object);
}
}
}

In order for a class to access a type declared in another assembly, you must reference them. If you are using Ninject (I suppose), you have did this to the Ninject assembly.
Even though Domain is an assembly of yours, on the same solution, you must reference it at the WebUI, otherwise they won't know each other.
So, let's make sure:
Right click your WebUI project
Select Add reference
Go to Project tab
Select Domain project
Done!
Rebuild and you're good to go!
Regards

'Using' not detecting namespace-checked client profiling already

I have a C# solution composed of three projects in Visual Sudio 2010. One is X.Domain (class library) the second, X.UnitTest and the third X.WebUI (MVC3). I was having problems with the using statement to reference the X.Domain namespace from withing the X.WebUI namespace. I thought it was a client profiling issue and verifired that all of the projects where using ".Net Framework 4" as the target framework. I checked to make sure the project dependencies for X.WebUI included the namesapce X.Domain. The exact errors I'm getting are:
The type or namespace name 'Domain' does not exist in the namespace'X' (are you missing an assembly reference). The error for the interface I'm trying to use from within X.Domain.Abstract: The type or namespace name 'IPersonRepository' could not be found (are you missing a using directive or an assembly reference)
In the X.Domain namespace/project, there are public methods, so I'm not sure why it's not exposed. I looked into these links here on stackoverflow, but they did not resolve the issue. Visual Studio 2010 suddenly can't see namespace?,
The type or namespace name could not be found ,
The type or namespace 'MyNamespace' does not exist etc
It's worth mentioning that someone posted that it could have something to do with a missed configured global.asax file, here
Type or namespace name does not exist
in that link, but I'm not sure about it. Could be the case, so I am posting my Global.asax file as well. I noticed the problem when I'm trying to create my 'PersonController' with ninject MVC3, I used Remo.gloo's blog to help me create the Global.asax file as posted here http://www.planetgeek.ch/2010/11/13/official-ninject-mvc-extension-gets-support-for-mvc3/ and am following along with some additional code on p.164 of the the Pro ASP.NET MVC3 Framework book to create the controller.
PersonController.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using KLTMCInsight.Domain.Abstract;
namespace KLTMCInsight.WebUI.Controllers
{
public class PersonController : Controller
{
private readonly IPersonRepository repository;
public PersonController(IPersonRepository personRepository)
{
repository = personRepository;
}
}
}
Global.asax
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using System.Reflection;
using Ninject;
using Ninject.Modules;
using Ninject.Web.Mvc;
namespace KLTMCInsight.WebUI
{
public class MvcApplication : NinjectHttpApplication
{
public static void RegisterGlobalFilters(GlobalFilterCollection filters)
{
filters.Add(new HandleErrorAttribute());
}
public static void RegisterRoutes(RouteCollection routes)
{
routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
routes.MapRoute(
"Default", // Route name
"{controller}/{action}/{id}", // URL with parameters
new { controller = "Home", action = "Index", id = UrlParameter.Optional }
);
}
protected override IKernel CreateKernel()
{
var kernel = new StandardKernel();
kernel.Load(Assembly.GetExecutingAssembly());
return kernel;
}
protected override void OnApplicationStarted()
{
base.OnApplicationStarted();
AreaRegistration.RegisterAllAreas();
RegisterGlobalFilters(GlobalFilters.Filters);
RegisterRoutes(RouteTable.Routes);
}
}
}
If I missed something you need, I'll be more than glad to post it up. Again, Thank you for your help- Very appreciated.

Here is the solution:
I had used the 'Project Dependencies' box listed under the 'Project' file menu to select the dependencies of the X.WebUI project. Even though on in it I had checked the box for the X.WebUI project to depend on the X.Domain project... the reference was never created by VS2010. To solve the issue it was a simple fix by manually right-clicking the References folder under X.WebUI, and adding the reference to X.Domain through that window. Reference was added problem solved. Not sure why the reference was not made from the 'Project Dependencies' box in the first place, but if anyone comes across this same problem- this should remind you to check if the reference was actually made.