create method fore cookies in asp pages

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//this code in new class called utility , not in form load , when i need to write request or response in utility class it never written just "response or request " , i see only httpresponse i need to see just response , I hope that you explain to me in detail what exactly do so there are not mistakes, and execute in utilitys class >>>>>>>> look in Comment below.

public class utilitys
{

public void createCookie(string cookieName, string[] keys, string[] values, bool expired)
{

HttpCookie c = new HttpCookie(cookieName);
if (keys != null)
{
for (int x = 0; x < keys.Length; x++)
c.Values.Add(keys[x], values[x]);
if (!expired)
c.Expires = DateTime.Now.AddYears(5);
}
else
c.Expires = DateTime.Now.AddYears(-5);
// look in this step >>>>>>>
res.Cookies.Add(c);

}

public string readFromCookies(string cookieName, string key, HttpRequest req)
{
try
{
return req.Cookies[cookieName][key].ToString();
}
catch
{
return null;
}
}

public void removeCookie(string cookieName, HttpResponse res)
{
// and look in this step >>>>>>>>>>>>>>>
createCookie(cookieName, null, null, false, res);

}

}</pre>

Posted 12-Jul-13 18:04pm

dongos931

Updated 12-Jul-13 19:24pm

v2

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Mahesh Bailwal · Answer 1 · 2013-07-12T18:29:00

you can replace res with HttpContext.Current.Response in createCookie method

HttpContext.Current.Response.Cookies.Add(c);

OR
you can add new HttpResponse parameter to the method and pass it to the method as parameter

 public void createCookie(string cookieName, string[] keys, string[] values, bool expired, HttpResponse res)
{
    HttpCookie c = new HttpCookie(cookieName);
    if (keys != null)
    {
        for (int x = 0; x < keys.Length; x++)
            c.Values.Add(keys[x], values[x]);
        if (!expired)
            c.Expires = DateTime.Now.AddYears(5);
    }
    else
        c.Expires = DateTime.Now.AddYears(-5);
    // look in this step >>>>>>>
    res.Cookies.Add(c);
}