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wcf, cookie

Posted on 2013-11-18
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Last Modified: 2013-11-19
I have below codes and I don't know why the error is still occurred (see attached).
all I want to do is use the WCF addCookie to add cookie into the client browser.


wcf:
 public string AddCookie(string cookieName, string cookieValue, int cookieLiveInHour)
        {
            HttpCookie myCookie = new HttpCookie(cookieName);
            myCookie.Value = cookieValue;
            myCookie.Expires = DateTime.Now.AddHours(cookieLiveInHour);
            HttpContext.Current.Response.Cookies.Add(myCookie);
            return "Added";
             
        }

aspx
string addCookieEmail = ServiceGeneric.AddCookie("someName", Request.Params["email"],12);

error:
See attached
c.png
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Comment
Question by:solution1368
  • 4
6 Comments
 
LVL 10

Expert Comment

by:khan_webguru
ID: 39658406
Hello,

The cookie may exist, but to get them you need to have a page, a request from the client and the connection with their browser so to been able to read the cookies, that lives on the browser.

If you make this call from inside a thread, or a process, or on the end of the Page, or anywhere outside the Page, then the HttpContext.Current is null, and/or the HttpContext.Current.Request is null.

<link removed - GaryC123>

Regards,
khan.webguru
0
 

Author Comment

by:solution1368
ID: 39658438
Thank. So we have no solution.
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Author Comment

by:solution1368
ID: 39658439
Or it is impossible to use wcf services in this case?
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LVL 36

Accepted Solution

by:
Miguel Oz earned 500 total points
ID: 39659103
Yes, WCF is not needed for this. HttpContext.Current.Response only exists in the context of an aspx page.
You can create a cookie in the server when your page initially loads or post back in the Page_Load event. For example the link below creates in the ColorSelector_IndexChanged event:
http://asp.net-tutorials.com/state/cookies/

Alternative: You can use Javascript or jquery to create the cookie in the page as per examples below:
//Create expiring cookie, 7 days from then:
$.cookie('the_cookie', 'the_value', { expires: 7 });

Open in new window


<links removed - GaryC132>
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Author Comment

by:solution1368
ID: 39660074
Thank you for your information.
0
 

Author Closing Comment

by:solution1368
ID: 39660079
after the expert explains. there is no solution in my case because of the limited property in .net framework. Thank you for the expert's time and effort.
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