List of online users using membership asp.net
问题 I want to have a list that contains online users in my web site i use this code in local host but it did't shows me any user. Can any body help me? where did i make mistake? MembershipUserCollection users; if (!IsPostBack) { // Bind users to ListBox. List<MembershipUser> onlineUsers = new List<MembershipUser>(); foreach (MembershipUser user in Membership.GetAllUsers()) { if (user.IsOnline) { onlineUsers.Add(user); } } ListBox1.DataSource = users; ListBox1.DataBind(); 回答1: Try changing this