/// <summary>
 /// 修改频道信息
 /// </summary>
 /// <param name="channel"></param>
 /// <returns>受影响的行数</returns>
 public int UpdateChannel(normal_channelContract channel)
 {
     return ChannelDao.UpdateChannel(channel.ToPO<normal_channel>());
 }
 /// <summary>
 /// 添加频道
 /// </summary>
 /// <param name="Channel"></param>
 /// <returns>返回添加后的ID</returns>
 public int InsertChannel(normal_channelContract Channel)
 {
     return ChannelDao.InsertChannel(Channel.ToPO<normal_channel>());
 }