Asp net mvc 6 aspnet session errors unable to resolve service for type


ASP.NET is a popular programming language used for building web applications. It provides a framework for developing dynamic websites, web , and web applications. One common that developers may encounter while working with ASP.NET is “unable to resolve service for type” in ASP.NET MVC 6.

Understanding the Error

The “unable to resolve service for type” error occurs when the ASP.NET MVC 6 framework is unable to find a registered service for a specific type. This error typically occurs when there is a mismatch between the service registration and the .

Identifying the Cause

To resolve this error, it is important to identify the cause. One possible cause is that the required service is not registered in the dependency injection container. cause could be a typo or configuration in the service registration code.

Resolving the Error

To resolve the “unable to resolve service for type” error, follow these steps:

Step 1: Check Service Registration

First, check if the required service is registered in the dependency injection container. The dependency injection container is responsible for resolving and providing instances of registered services. Ensure that the service is registered correctly in the container.

// Example of service registration in ASP.NET MVC 6

Step 2: Verify Dependency Injection Configuration

Next, verify the dependency injection configuration in your application. Ensure that the correct service is being injected into the dependent class or controller. Check for any typos or incorrect configuration in the dependency injection code.

// Example of dependency injection in ASP.NET MVC 6
 class MyController : Controller
     readonly IService _service;

    public MyController(IService service)
        _service = service;

Step 3: Restart the Application

If you have made any changes to the service registration or dependency injection configuration, restart the application to ensure that the changes take effect. Sometimes, the error may persist due to cached dependencies or outdated configurations.


The “unable to resolve service for type” error in ASP.NET MVC 6 can be resolved by checking the service registration, verifying the dependency injection configuration, and restarting the application if necessary. By following these steps and ensuring the correct setup of services and dependencies, you can overcome this error and continue developing your ASP.NET MVC 6 application smoothly.

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