public bool UpdateCustomer(Customer instance)
        {
            try
            {
                Customer customer = Db.Customers.Find(instance.CustomerId);
                Type type = customer.GetType();

                foreach(var info in type.GetProperties())
                {
                    if(info.CanWrite)
                    {
                        var value = info.GetValue(instance);
                        if(value != null)
                        {
                            info.SetValue(customer, value, null);
                        }
                    }
                }
                Db.SaveChanges();
                return true;
            }
            catch
            {
                return false;
            }
        }
        public bool CreateCustomer(Customer instance)
        {
            try
            {
                if (instance.CustomerId == 0)
                {
                    Db.Customers.Add(instance);
                    Db.SaveChanges();
                    return true;
                }

                return false;
            }
            catch
            {
                return false;
            }
        }