为什么不对XML反序列化触发OnDeserialization？

问题描述

我有一个问题，在三个小时的大部分时间内，我一直在head头。我几乎可以肯定我错过了令人眼花obvious乱的东西……

I have a problem which I have been bashing my head against for the better part of three hours. I am almost certain that I've missed something blindingly obvious...

我有一个简单的XML文件：

I have a simple XML file:

<?xml version="1.0" encoding="utf-8"?>
<WeightStore xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Records>
    <Record actual="150" date="2010-05-01T00:00:00" />
    <Record actual="155" date="2010-05-02T00:00:00" />
  </Records>
</WeightStore>

我有一个简单的类结构：

I have a simple class structure:

[Serializable]
public class Record
{
    [XmlAttribute("actual")] public double weight { get; set; }
    [XmlAttribute("date")]   public DateTime date { get; set; }
    [XmlIgnore]              public double trend { get; set; }
}

[Serializable]
[XmlRoot("WeightStore")]
public class SimpleWeightStore
{
    [XmlArrayAttribute("Records")]
    private List<Record> records = new List<Record>();
    public List<Record> Records { get { return records; } }

    [OnDeserialized()]
    public void OnDeserialized_Method(StreamingContext context)
    {
        // This code never gets called
        Console.WriteLine("OnDeserialized");
    }
}

我在调用代码和类文件：

I am using these in both calling code and in the class files:

using System.Xml.Serialization;
using System.Runtime.Serialization;

我有一些呼叫代码：

SimpleWeightStore weight_store_reload = new SimpleWeightStore();
TextReader reader = new StringReader(xml);
XmlSerializer deserializer = new XmlSerializer(weight_store.GetType());
weight_store_reload = (SimpleWeightStore)deserializer.Deserialize(reader);

问题是我希望调用OnDeserialized_Method，但事实并非如此。

The problem is that I am expecting OnDeserialized_Method to get called, and it isn't.

我怀疑这可能与XML反序列化而不是运行时反序列化有关，也许我使用了错误的属性名称，但我无法找出原因

I suspect it might have something to do with the fact that it's XML deserialization rather than Runtime deserialization, and perhaps I am using the wrong attribute name, but I can't find out what it might be.

大家有什么想法吗？

推荐答案

对于XML反序列化，没有等效的 OnDeserialized 。

There's no equivalent of OnDeserialized for XML deserialization.

有关变通办法，请参见此帖子：

See this post for workarounds: How do you find out when you've been loaded via XML Serialization?

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