我怎样才能改变从一个WebMethod cookie的值？ [英] How can I change a cookie value from a WebMethod?

问题描述

  [WebMethod]
  public static void SetTheme(string theme)
  {
   Guid studentIdentifier = SessionData.LoggedInUser.Identifier;
   Student student = (Student)ItemFactory.GetItem(studentIdentifier);
   student.Theme = theme;
  }

和我想改变也命名为主旋律的饼干，在这个的WebMethod的结束。我怎样才能做到呢？该Cookie已在此处设置，而不是通过JavaScript。这是一个要求。谢谢

And I want to change the cookie that is also named "theme", at the end of this WebMethod. How can I accomplish that? The cookie has to be set here, not through JavaScript. That is a requirement. Thank you

推荐答案

您可以访问的HttpContext在你的WebMethod，并从那里，接取响应对象。

You can access the HttpContext in your webMethod, and from there, acess the response object.

var response = HttpContext.Current.Response;

该型Htt presponse对象允许您访问发送到具有响应浏览器的cookie：

The HttpResponse object allows you to access the cookies sent to the browser with the response:

if(response.Cookies["theme"]!=null)
  response.Cookies["theme"].Value = myValue;

MSDN文档使一个很好的工作，解释它。您可以访问请求过于饼干，用HttpContext.Current.Request

the MSDN documentation makes a good job explaining it. You can access the request cookies too, using HttpContext.Current.Request

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