private void detach_sys_user(sys_user entity)
		{
			this.SendPropertyChanging();
			entity.sys_role = null;
		}
		private void attach_sys_user(sys_user entity)
		{
			this.SendPropertyChanging();
			entity.sys_role = this;
		}
 partial void Updatesys_user(sys_user instance);
 partial void Deletesys_user(sys_user instance);
 partial void Insertsys_user(sys_user instance);