How to get the cookie value in asp net website

Question

I am creating a cookie and storing the value of username after succesfull login  How can I access the cookie when the website is opened  If the cookie exist I want to fill the username text box from the cookie value  And how to decrypt the value to get the username  I am doing server side validation by getting the userdetails from the database  I am using vs 2010 with c   FormsAuthenticationTicket tkt  string cookiestr  HttpCookie ck  tkt   new FormsAuthenticationTicket 1  txtUserName Value  DateTime Now      DateTime Now AddYears 1   chk Rememberme Checked   User Email    cookiestr   FormsAuthentication Encrypt tkt   ck   new HttpCookie FormsAuthentication FormsCookieName  cookiestr    if  chk Rememberme Checked        ck Expires   tkt Expiration      ck Path   FormsAuthentication FormsCookiePath      Response Cookies Add ck       cookie is created with name as  YAFNET Authentication and content is encrypted  Webconfig      lt forms name   YAFNET Authentication  loginUrl  Home aspx    protection  All  timeout  15000  cookieless  UseCookies   gt

User · Accepted Answer

You may use Request Cookies collection to read the cookies   if Request Cookies  key    null       var value Request Cookies  key   Value

User · Answer

HttpCookie cook   new HttpCookie  testcook    cook   Request Cookies  CookName    if  cook    null        lbl cookie value Text   cook Value    else       lbl cookie value Text    Empty value       Reference Click here

User · Answer

FormsAuthentication Decrypt takes the actual value of the cookie  not the name of it  You can get the cookie value like  HttpContext Current Request Cookies FormsAuthentication FormsCookieName  Value    and decrypt that

User · Answer

add this function to your global asax  protected void Application AuthenticateRequest Object sender  EventArgs e        string cookieName   FormsAuthentication FormsCookieName      HttpCookie authCookie   Context Request Cookies cookieName        if  authCookie    null                return            FormsAuthenticationTicket authTicket   null      try               authTicket   FormsAuthentication Decrypt authCookie Value             catch               return            if  authTicket    null                return            string   roles   authTicket UserData Split new char                 FormsIdentity id   new FormsIdentity authTicket       GenericPrincipal principal   new GenericPrincipal id  roles        Context User   principal      then you can use HttpContext Current User Identity Name to get username  hope it helps

[c#] How to get the cookie value in asp.net website

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