private List<UserViewEnity> GetAllUsers()
 {
     var userRepository = new UserRepository();
     List<UserViewEnity> usersList = new List<UserViewEnity>();
     var users = userRepository.GetUsersByProviderId(int.Parse(Session["ProviderId"].ToString()));
     foreach (var user in users)
     {
         usersList.Add(new UserViewEnity
         {
             UserId = user.UserId,
             UserName = user.UserName
         });
     }
     return usersList;
 }