Get user information from active directory asp.net webforms c# -

i got webforms hosted iis

you can log in webform site using active directory username , password

how other information of user first , last name active directory current code in page load after success log in.

   protected void page_load(object sender, eventargs e)        {     formsidentity id = (formsidentity)user.identity;         formsauthenticationticket ticket = id.ticket;         response.write("<p/>ticketname: " + ticket.name);  //this ticket.name current username logged form         response.write("<br/>cookie path: " + ticket.cookiepath);         response.write("<br/>ticket expiration: " +                         ticket.expiration.tostring());         response.write("<br/>expired: " + ticket.expired.tostring());         response.write("<br/>persistent: " + ticket.ispersistent.tostring());         response.write("<br/>issuedate: " + ticket.issuedate.tostring());         response.write("<br/>userdata: " + ticket.userdata);         response.write("<br/>version: " + ticket.version.tostring());         } 

additional info, use authentication mode="forms" in web.config framework 4.0

try use principalcontext. example check user password manually, can use code:

using (var context = new principalcontext(contexttype.domain, "myadname")) {    var isvaliduser = context.validatecredentials(model.username, model.password);    if (!isvaliduser)    {      //do staff    } } 

you can find want in context.

and also, please check post : get first name last name of logedin windows user?