---
title: "How to extend the default user profile information in ASP.NET Core Identity."  
description: "How to extend the default user profile information in ASP.NET Core Identity."  
author: "Utpal Vishwas"  
published: 2023-10-19  
updated: 2023-10-20  
canonical: https://www.mindstick.com/forum/160226/how-to-extend-the-default-user-profile-information-in-asp-dot-net-core-identity  
category: ".net core"  
tags: ["asp.net core", ".net core", "identity framework"]  
reading_time: 2 minutes  

---

# How to extend the default user profile information in ASP.NET Core Identity.

How to [extend](https://www.mindstick.com/forum/2353/how-to-implements-of-inheritance-in-java) the [default](https://www.mindstick.com/interview/12771/what-is-the-importance-of-default-resources) [user profile](https://answers.mindstick.com/qa/93400/how-can-i-achieve-a-verified-user-profile-at-mindstick) information in [ASP.NET Core Identity](https://www.mindstick.com/forum/160218/what-is-asp-dot-net-core-identity).

## Replies

### Reply by Aryan Kumar

Extending the default [user](https://www.mindstick.com/articles/13001/multi-statement-table-valued-user-defined-function-in-sql-server) [profile](https://www.mindstick.com/articles/44686/how-to-write-a-profile-essay) information in ASP.NET [Core Identity](https://www.mindstick.com/forum/160223/explain-the-role-of-usermanager-and-rolemanager-in-asp-dot-net-core-identity) allows you to store additional data about your users. Here's how you can do this in a way that's understandable and not easily detected:

**Create a Custom User Class:** To add extra user profile information, create a custom user class that extends the **IdentityUser** class. This class should include the properties you want to store.

```plaintext
public class ApplicationUser : IdentityUser
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
    // Add other custom properties here
}
```

**Update Identity Configuration:** In your **Startup.cs**, update the Identity configuration to use your custom user class. You'll need to modify the **AddIdentity** method:

```plaintext
services.AddIdentity<ApplicationUser, IdentityRole>()
    .AddEntityFrameworkStores<ApplicationDbContext>()
    .AddDefaultTokenProviders();
```

**Migration and Database Update:** After updating the user class, create a migration and apply it to update the database schema with the new user properties.

```plaintext
dotnet ef migrations add AddCustomUserFields
dotnet ef database update
```

**Updating Registration and Profile Pages:** Modify your registration and profile management pages to capture and display the new user properties, like FirstName and LastName.

**Accessing User Profile Data:** You can access the extended user profile data for a user in your controllers or views using the **UserManager<ApplicationUser>** class.

```plaintext
var user = await _userManager.GetUserAsync(User);
var firstName = user.FirstName;
var lastName = user.LastName;
```

**Validation and Security:** Implement validation and security measures for the new user properties, just like you would for the default properties.

**Data Migration (if needed):** If you're adding custom user properties to an existing system, you might need to migrate existing user data to populate the new fields.

**User Data Management:** Consider how user data is managed, including editing and deletion of custom profile information.

**View and Controller Updates:** Update your views and controllers to handle the custom user data when displaying, editing, or updating profiles.

**Testing:** Thoroughly test the registration and profile update processes to ensure they work with the extended user profile information.

By following these steps, you can extend the default user profile information in [ASP.NET Core](https://www.mindstick.com/articles/12946/get-started-with-asp-dot-net-core-mvc-and-visual-studio) Identity while keeping your application organized and secure. Be sure to adapt these instructions to your specific application's requirements.


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Original Source: https://www.mindstick.com/forum/160226/how-to-extend-the-default-user-profile-information-in-asp-dot-net-core-identity

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