How deeply does ASP.NET Core in Action, 3e cover AddPageRoute?

Explains the retained default route and shows registration, but defers custom route-model convention internals.

AddPageRoute

As explained in ASP.NET Core in Action, 3e

AddPageRoute is a Razor Pages configuration method that associates an additional route template with a specified page.

AddPageRoute associates an additional route template with one Razor Page. The original route remains available, so the page can be reached through two route templates. section 14.6

Add an alternative page URL

Configure the convention through AddRazorPagesOptions: opts.Conventions.AddPageRoute("/Search/Products/StartSearch", "/search-products"). The page keeps its default route and also responds to /search-products. section 14.6

How ASP.NET Core in Action, 3e covers it

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Related concepts

routingproduces · Routing is the selection of a path, destination, or processing component to direct an item, request, or flow toward an intended endpoint.
route templateproduces · A route template is a URL or URI path pattern containing fixed segments and parameters that determines which requests an endpoint matches.

This explainer was generated by Manning's knowledge graph from the text of ASP.NET Core in Action, 3e. The section links point to the parts of the book it draws on.