强类型 List.GroupBy()
我一直试图在谷歌和SO上找到这个问题的答案
,但我发现的所有地方都使用匿名类型的结果列表,
我想要实现的是采用 List
并创建一个 每个SecondaryStandard
的 SecondaryStandard
分组列表
看起来像这样,
public class SecondaryStandard
{
public string Id { get; set; }
public int IdNumeric { get; set; }
public string IdText { get; set; }
public Sample Sample { get; set; }
public string StandardName { get; set; }
public DateTime DateCompleted { get; set; }
public SamplePoint SamplingPoint{ get; set; }
public Instrument Instrument{ get; set; }
public string ContainerId { get; set; }
public double Value { get; set; }
public string ComponentName { get; set; }
public string PointLocation { get; set; }
public string Description { get; set; }
public string Description2 { get; set; }
public string Analysis { get; set; }
public string Units { get; set; }
}
我想要的是一个 List(),其中 Value 属性是每个的结果的平均值组件名称.
关于如何以强类型的方式实现这一点的任何想法,或者我是否需要吸收它并使用匿名对象来实现我正在寻找的东西?
I've been trying to find an answer to this on google and on SO
but everywhere I have found uses anonymously typed result lists
what I am trying to acheive is to take a List<SecondaryStandard>
and create a grouped List of SecondaryStandard
each SecondaryStandard
looks like this
public class SecondaryStandard
{
public string Id { get; set; }
public int IdNumeric { get; set; }
public string IdText { get; set; }
public Sample Sample { get; set; }
public string StandardName { get; set; }
public DateTime DateCompleted { get; set; }
public SamplePoint SamplingPoint{ get; set; }
public Instrument Instrument{ get; set; }
public string ContainerId { get; set; }
public double Value { get; set; }
public string ComponentName { get; set; }
public string PointLocation { get; set; }
public string Description { get; set; }
public string Description2 { get; set; }
public string Analysis { get; set; }
public string Units { get; set; }
}
what i want is a List() where the Value Property is an average of results for each ComponentName.
Any ideas on how I could achieve this in a strongly typed way or do I need to suck it up and use anonymous objects to achieve what I'm looking for?
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你是说这个吗?
You mean this?