C# HTTP 请求中的偶尔响应头

Question

Request:

HttpWebResponse response = (HttpWebResponse)request.GetResponse();
String responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
Console.WriteLine(responseString);

Response:

{"code":"SUCCESS","details": 
    {"created_time":"","id":"xxxx"},  
    "message":"uploaded", 
    "status":"success"}
HTTP/1.1 200 OK 
Date: Wed, 18 Dec 2019 11:42:26 IST
Last-Modified: Wed, 18 Dec 2019 11:42:25 IST
Content-Type: application/json
Connection: Keep-Alive
Server: AWServer
Pragma: no-cache
Cache-Control: no-cache
Expires: 1

Whenever the above-mentioned C# request is executed, the response occasionally contains headers(HTTP/1.1 200 OK...), When I'm only trying to get the body part({"code"....} alone(response.GetResponseStream()). Is this the intended behavior?

Answer 1

Take a look at the basic article on http headers

HTTP headers let the client and the server pass additional information with an HTTP request or response. An HTTP header consists of its case-insensitive name followed by a colon (:), then by its value. Whitespace before the value is ignored.

Headers are additional information. I guess that since you left out the url and the whole creation of the Request and the url, this means that some responses have Headers and some not. That depends on the additional non-body information the api or web server wants to respond with.

It's in the control of the responder and not the receiver.

Don't ignore them : Some times interesting metadata come from Headers. It should not be data but information about it, like encoding, CORS info etc.

last modified header link date header link