Using Cookie in Asp Net Mvc 4

Question

I have web application in Asp Net MVC4 and I want to use cookie for user s login and logout  So my actions as follows   Login Action       HttpPost      public ActionResult Login string username  string pass                if  ModelState IsValid                        var newUser    userRepository GetUserByNameAndPassword username  pass               if  newUser    null                                var json   JsonConvert SerializeObject newUser                    var userCookie   new HttpCookie  user   json                   userCookie Expires AddDays 365                   HttpContext Response Cookies Add userCookie                    return RedirectToActionPermanent  Index                                    return View  UserLog            LogOut Action      public ActionResult UserOut                 if  Request Cookies  user      null                        var user   new HttpCookie  user                                         Expires   DateTime Now AddDays -1                       Value   null                                Response Cookies Add user                     return RedirectToActionPermanent  UserLog            And I use this cookie in  Loyout as follow    using EShop Core  using Newtonsoft Json       var userInCookie   Request Cookies  user             if  userInCookie    null  amp  amp  userInCookie Value               lt li gt  lt a href     gt Salam lt  a gt  lt  li gt           lt li gt  lt a href   Url Action  UserOut    Home    gt Cixis lt  a gt  lt  li gt        else              lt li gt  lt a href   Url Action  UserLog    Home    gt Giris lt  a gt  lt  li gt        But When I click  UserOut  action this action happen first time  but then it doesn t work  I put breakpoint for looking process but it get UserLog action doesn t UserOut   My question is that where I use wrong way of cookie  What is a best way using cookie in Asp Net Mvc4 for this scenario

User · Answer

userCookie Expires AddDays 365      This line of code doesn t do anything  It is the equivalent of   DateTime temp   userCookie Expires AddDays 365      do nothing with temp   You probably want   userCookie Expires   DateTime Now AddDays 365

User · Answer

We are using Response SetCookie   for update the old one cookies and Response Cookies Add   are use to add the new cookies  Here below code CompanyId is update in old cookie OldCookieName    HttpCookie cookie   Request Cookies  OldCookieName     Get the existing cookie by cookie name  cookie Values  CompanyID     Convert ToString CompanyId   Response SetCookie cookie     SetCookie   is used for update the cookie  Response Cookies Add cookie     The Cookie Add   used for Add the cookie

User · Answer

Try using Response SetCookie    because Response Cookies Add   can cause multiple cookies to be added  whereas SetCookie will update an existing cookie

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