How to get access token identity in asp.net webforms external login page? -

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i'm using new microsoft identity manage website login , register.

i've configured website start using external login (facebook).

how can access token in (registerexternallogin) page?

``

        protected void page_load(){         // process result auth provider in request         providername = identityhelper.getprovidernamefromrequest(request);         if (string.isnullorempty(providername))         {             redirectonfail();             return;         }         if (!ispostback)         {             var manager = context.getowincontext().getusermanager<applicationusermanager>();             var logininfo = context.getowincontext().authentication.getexternallogininfo();              if (logininfo == null)             {                 redirectonfail();                 return;             }             var user = manager.find(logininfo.login);             if (user != null)             {                 identityhelper.signin(manager, user, ispersistent: false);                 identityhelper.redirecttoreturnurl(request.querystring["returnurl"], response);             }             else if (user.identity.isauthenticated)             {                 response.write("ok.2");                 // apply xsrf check when linking                 var verifiedlogininfo = context.getowincontext().authentication.getexternallogininfo(identityhelper.xsrfkey, user.identity.getuserid());                 if (verifiedlogininfo == null)                 {                     redirectonfail();                     return;                 }                  var result = manager.addlogin(user.identity.getuserid(), verifiedlogininfo.login);                 if (result.succeeded)                 {                     identityhelper.redirecttoreturnurl(request.querystring["returnurl"], response);                 }                 else                 {                     adderrors(result);                     return;                 }             }             else             {                 try                 {                      var accesstoken = "what can access token";                     response.write(accesstoken + "<br>");                     var client = new facebookclient(accesstoken);                      //var client = new facebookclient();                     dynamic me = client.get("me");                     string firstname = me.first_name;                     string lastname = me.last_name;                     response.write(firstname + " " + lastname);                 }                 catch (exception ex)                 {                     response.write(ex.message);                 }                  email.text = logininfo.email;             }         }     }

regards,

moayyad


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