Get current user id in startup asp net core 5


ASP.NET is a popular programming language used for building web applications. In this article, we will discuss how to get the user ID in a startup ASP.NET Core 5 application.


ASP.NET Core 5 is the latest version of the ASP.NET framework, which provides a and modular approach to building web applications. It is cross- and can run on , macOS, and Linux.

Getting the Current User ID

In an ASP.NET Core 5 application, you can access the current user ID using the UserManager provided by the ASP.NET Identity framework. The UserManager class provides various methods to user-related , including the current user ID.

To get the current user ID, you need to inject the UserManager class into your controller or service. Here's an example of how to do it:

In the above example, we inject the class into the MyController constructor. Then, in the MyAction method, we use the GetUserId method of the UserManager class to retrieve the current user ID.


Getting the current user ID in a startup ASP.NET Core 5 application is straightforward. By injecting the UserManager class and using the GetUserId method, you can easily retrieve the current user ID and use it as in your application.

Remember to always authentication and authorization properly to ensure the security of your application.

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