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HTTP response

As explained in Pro ASP.NET Core 7, Tenth Edition

An HTTP response is a server message returned in response to an HTTP request, containing status information and optionally response content.

An HTTP response is the server message returned for an HTTP request. In ASP.NET Core, HttpResponse represents the response that travels back through the request pipeline, carrying a status code, headers, cookies, and optionally a body. section 12.4

Writing a response from middleware

A middleware component can recognize a GET request with ?custom=true, set a plain-text content type, write a message to the response body, and then continue the pipeline. Setting the content type helps prevent later middleware from trying to supply conflicting response metadata.

How Pro ASP.NET Core 7, Tenth Edition covers it

How deep it goes
Explains response properties and pipeline timing, then demonstrates conditional body writing without descending into transport internals.
Examples
Demonstrates a GET request with a custom query value that returns plain text through middleware.
What it assumes
Assumes HTTP requests and middleware pipeline basics while providing HttpContext, HttpRequest, and HttpResponse usage directly.
What you can do after
Operate/configure middleware responses by setting metadata, writing body content, redirecting clients, and respecting response-start timing.
How it connects
Connects HTTP responses to HttpContext, HttpRequest, middleware, endpoints, controllers, action results, headers, and status codes.

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This explainer was generated by Manning's knowledge graph from the text of Pro ASP.NET Core 7, Tenth Edition. The section links point to the parts of the book it draws on.