Face this error Please check.

Check the following link:

https://www.codegrepper.com/code-examples/csharp/Unable+to+resolve+service+for+type+%27Microsoft.AspNetCore.Identity.RoleManager%601%5BMicrosoft.AspNetCore.Identity.IdentityRole%5D

Sachin Singh4y ago

Make sure your startup.cs have this

services.AddIdentity().AddEntityFrameworkStores();

Amit Mohanty4y ago

Please check the below link, this may help you.

https://stackoverflow.com/questions/53801168/unable-to-resolve-service-for-type-microsoft-aspnetcore-identity-rolemanager