hello-aspnet-core/AspNetCoreDefaultHost/Pages/ArticlePage.cs

using AspNetCoreDefaultHost.Configs;
using AspNetCoreDefaultHost.Pages.Basic;
using AspNetCoreDefaultHost.Pages.MasterPage;

namespace AspNetCoreDefaultHost.Pages
{
    public class ArticlePage : ContentPageBase
    {
        public override void Init()
        {
            MasterPage = HostConfig.RootComponentResolver.Resolve<RootMasterPage>();
            base.Init();
        }
    }
}