How To Add Authentication In ASP.NET Core 6 MVC Project Using Identity

From Solution Explorer, right-click on the project > Add > New Scaffolded Item.
From the left pane of the Add New Scaffolded Item dialog, select Identity. Select Identity in the center pane. Select the Add button.
In the Add Identity dialog, select the options you want.
- If you have an existing, customized layout page for Identity (_Layout.cshtml), select your existing layout page to avoid overwriting your layout with incorrect markup by the scaffolder. For example, select either:
  - Pages/Shared/_Layout.cshtml for Razor Pages or Blazor Server projects with existing Razor Pages infrastructure.
  - Views/Shared/_Layout.cshtml for MVC projects or Blazor Server projects with existing MVC infrastructure.
- For the data context (DbContext class):
  - Select your data context class. You must select at least one file to add your data context.
  - To create a data context and possibly create a new user class for Identity, select the + button. Accept the default value or specify a class (for example, Contoso.Data.ApplicationDbContext for a company named "Contoso"). To create a new user class, select the + button for User class and specify the class (for example, ContosoUser for a company named "Contoso").
- Select the Add button to run the scaffolder.

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Cr Bhargavi3y ago
- From Solution Explorer, right-click on the project > Add > New Scaffolded Item.
- From the left pane of the Add New Scaffolded Item dialog, select Identity. Select Identity in the center pane. Select the Add button.
- In the Add Identity dialog, select the options you want.
  
  If you have an existing, customized layout page for Identity (_Layout.cshtml), select your existing layout page to avoid overwriting your layout with incorrect markup by the scaffolder. For example, select either:
  
  Pages/Shared/_Layout.cshtml for Razor Pages or Blazor Server projects with existing Razor Pages infrastructure.
  
  Views/Shared/_Layout.cshtml for MVC projects or Blazor Server projects with existing MVC infrastructure.
  
  For the data context (DbContext class):
  
  Select your data context class. You must select at least one file to add your data context.
  
  To create a data context and possibly create a new user class for Identity, select the + button. Accept the default value or specify a class (for example, Contoso.Data.ApplicationDbContext for a company named "Contoso"). To create a new user class, select the + button for User class and specify the class (for example, ContosoUser for a company named "Contoso").
  
  Select the Add button to run the scaffolder.
Ali Benchaaban3y ago
Refer to official Microsoft article :

https://learn.microsoft.com/en-us/aspnet/core/security/authentication/scaffold-identity?view=aspnetcore-6.0&tabs=visual-studio