linq to sql 查询后排序（字符串类型的数字进行排序）

#region 根据工作面ID和生命状态标志查询围岩移动传感器

/// <summary>

/// 根据工作面ID和生命状态标志查询围岩移动传感器

/// </summary>

/// <param name="WorkingFaceID"></param>

/// <param name="Livestate"></param>

/// <returns></returns>

public List<SeparationSensor> GetSeparationSensorByWorkingFaceID_Livestate(int WorkingFaceID, decimal Livestate)

{

List<SeparationSensor> list = new List<SeparationSensor>();

List<SeparationSensor> list1 = new List<SeparationSensor>();

list = db.Sensors.OfType<SeparationSensor>().Include("ChannelProperties").Where(p => p.Livestate == Livestate && p.WorkingFaceID == WorkingFaceID && p.SensorType == 2).ToList();

list1=list.OrderByDescending(p => Convert.ToInt32(p.SensorNo)).ToList();

return list1;

}

#endregion

#region 根据工作面ID和生命状态标志查询超前应力传感器

/// <summary>

/// 根据工作面ID和生命状态标志查询超前应力传感器

/// </summary>

/// <param name="WorkingFaceID"></param>

/// <param name="Livestate"></param>

/// <returns></returns>

public List<AdvanceStressSensor> GetAdvanceStressSensorByWorkingFaceID_Livestate(int WorkingFaceID, decimal Livestate)

{

List<AdvanceStressSensor> list = new List<AdvanceStressSensor>();

list = db.Sensors.OfType<AdvanceStressSensor>().Include("ChannelProperties").Where(p => p.Livestate == Livestate && p.WorkingFaceID == WorkingFaceID && p.SensorType == 5).ToList();

list.OrderByDescending(p => Convert.ToInt32(p.SensorNo));

return list;

}

#endregion

第二个方法不能实现排序，第一个方法才行