public gvar AddNewUser(User newuser)
        {
            gvar returnValue = new gvar();

            try
            {
                using (var context = new BoilerContext())
                {
                    User newUser = null;
                    newUser = context.Users.Add(newuser);
                    context.SaveChanges();
                }
                returnValue.Success = true;
            }
            catch (Exception e)
            {
                returnValue.Message = e.Message.ToString();
                returnValue.Success = false;
            }
            return(returnValue);
        }
        public bool Check_Username_availability(string username)
        {
            using (var context = new BoilerContext())
            {
                var result = (from Lookup in context.Users
                              where Lookup.Username == username
                              select new List_Users
                {
                    UserID = Lookup.UserID
                }).ToList();

                if (result.Count > 0)
                {
                    return(false);
                }
                else
                {
                    return(true);
                }
            }
        }
        public gvar UpdateUser(User user)
        {
            gvar returnValue = new gvar();

            try
            {
                using (var context = new BoilerContext())
                {
                    var find   = context.Users.Find(user);
                    var update = context.Entry(context.Users.Attach(find));
                    update.Property(x => x.FirstName).IsModified = true;
                    context.SaveChanges();
                }
                returnValue.Success = true;
            }
            catch (Exception e)
            {
                returnValue.Message = e.Message.ToString();
                returnValue.Success = false;
            }
            return(returnValue);
        }