Just wanted to have another look and compare the OpenID Connect vs the Custom Login page code and can’t seem to find it anymore?
I am pretty sure it was here: https://auth0.com/docs/quickstart/webapp/aspnet-core/v2/02-login-custom ?
Not sure why, but it looks like its moved out of the documentation pages, into github:
https://github.com/auth0-samples/auth0-aspnetcore-mvc-samples/tree/master/Samples/custom-login