/// <summary>
/// 删除数据
/// </summary>
/// <param name="idx"></param>
/// <returns></returns>
public bool Delete(string num)
{
return(dal.Delete(num));
}
/// <summary>
/// 删除
/// </summary>
/// <param name="idx"></param>
/// <returns></returns>
public bool Delete(int idx)
{
return(_dal.Delete(idx));
}