partial void DeleteLogin(Login instance);
 partial void UpdateLogin(Login instance);
		private void detach_Logins(Login entity)
		{
			this.SendPropertyChanging();
			entity.Customer = null;
		}
 partial void InsertLogin(Login instance);
		private void attach_Logins(Login entity)
		{
			this.SendPropertyChanging();
			entity.Customer = this;
		}