I am using asp.net memebership
I log out the applcation by writting this code for log out
if (Membership.GetUser(HttpContext.Current.User.Identity).IsOnline) ;
{
FormsAuthentication.SignOut();
Response.Redirect(FormsAuthentication.LoginUrl);
}
Response.Redirect("loginpage.aspx");
After then I started the application and gettig the error in code block of authetication .below I am writtng a code and error message
else if (User.Identity.IsAuthenticated == true && Membership.GetUser( Membership.FindUsersByName(User.Identity.Name)).IsOnline==true)
{
FormsAuthentication.SignOut();
FormsAuthentication.RedirectToLoginPage();
MembershipUser currUser = null;
string gt = null;
if (HttpContext.Current.User ...
Go to the complete details ...