cannot update identity column in Entity Framework Core

Question

I\'ve added a separate Identification to the AspNetUsers table called NumericId that will serve along with the GUID like ID that ASP has for default.

I\'ve added the

Answer 1

This line solved my problem. Available from 1.1.1

modelBuilder.Entity().Property(u => u.NumberId).Metadata.IsReadOnlyAfterSave = true;