/// <summary>
/// 根据ID删除记录
/// </summary>
/// <param name="id">要删除的记录ID</param>
/// <returns></returns>
public virtual object DeleteById(object id)
{
DataAccessModel <T> entityDao = new DataAccessModel <T>();
object ret = HasChild(id);
if (ret != null)
{
return(ret);
}
_affectedRows = entityDao.DeleteById(id);
return(ret);
}