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DataContractSerializer does not deserialize links

I am using DataContractSerializer in .NET 3.5 to deserialize xml. Xml was previously serialized from a group of related objects in an entity model supported by entity framework 3.5. There are many links, and xml extensively contains all the values ​​of the elements and keys of each object referenced.

The top-level entity is deserialized by a fine, but reference objects do not.

This is the code I'm using for serialization and deserialization:

    public static T DCDeserializeXml<T>(string xml)
    {
        MemoryStream memoryStream = new MemoryStream(Encoding.Unicode.GetBytes(xml));
        using (
        XmlDictionaryReader reader = XmlDictionaryReader.CreateTextReader(memoryStream, Encoding.Unicode,
                   new XmlDictionaryReaderQuotas(), null))
        {
            DataContractSerializer dataContractSerializer = new DataContractSerializer(typeof(T), null, Int32.MaxValue, false, true, null);
            return (T)dataContractSerializer.ReadObject(reader, true);
        }
    }

    public static string DCSerializeToXml<T>(T obj)
    {
        DataContractSerializer dataContractSerializer = new DataContractSerializer(typeof(T), null, Int32.MaxValue, false, true, null);

        String text;
        using (MemoryStream memoryStream = new MemoryStream())
        {
            dataContractSerializer.WriteObject(memoryStream, obj);                
            byte[] data = new byte[memoryStream.Length];
            Array.Copy(memoryStream.GetBuffer(), data, data.Length);
            text = Encoding.UTF8.GetString(data);
        }
        return text;
    }

This is an XML fragment:

<?xml version="1.0" encoding="utf-8"?>
<Assets>
    <Asset z:Id="i1" xmlns="http://schemas.datacontract.org/2004/07/XLayer" xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns:z="http://schemas.microsoft.com/2003/10/Serialization/">
        <EntityKey z:Id="i2" xmlns="http://schemas.datacontract.org/2004/07/System.Data.Objects.DataClasses" xmlns:a="http://schemas.datacontract.org/2004/07/System.Data">
            <a:EntityContainerName>XModelContainer</a:EntityContainerName>
            <a:EntityKeyValues>
                <a:EntityKeyMember>
                    <a:Key>AssetGUID</a:Key>
                    <a:Value i:type="z:guid">7424f615-43db-4834-b15a-5befa46bfd55</a:Value>
                    </a:EntityKeyMember></a:EntityKeyValues>
                    <a:EntitySetName>AssetSet</a:EntitySetName>
                    </EntityKey>
                    <AssetGUID>7424f615-43db-4834-b15a-5befa46bfd55</AssetGUID>
                    <Created>2011-06-23T13:34:12.893</Created>
                    <Description/>
                    <npAudioInfoReference xmlns:a="http://schemas.datacontract.org/2004/07/System.Data.Objects.DataClasses">
                        <a:EntityKey i:nil="true" xmlns:b="http://schemas.datacontract.org/2004/07/System.Data"/>
                    </npAudioInfoReference>
                    <npCampaigns/>
                    <npCategory z:Id="i3">
                        <EntityKey z:Id="i4" xmlns="http://schemas.datacontract.org/2004/07/System.Data.Objects.DataClasses" xmlns:a="http://schemas.datacontract.org/2004/07/System.Data">
                            <a:EntityContainerName>XModelContainer</a:EntityContainerName>
                            <a:EntityKeyValues>
                                <a:EntityKeyMember>
                                    <a:Key>CategoryID</a:Key>
                                    <a:Value i:type="b:int" xmlns:b="http://www.w3.org/2001/XMLSchema">1</a:Value>
                                </a:EntityKeyMember>
                            </a:EntityKeyValues>
                            <a:EntitySetName>AssetCategorySet</a:EntitySetName>
                        </EntityKey>
                        <AM_DataDocumentTypes/>
                        <CategoryID>1</CategoryID>
                        <CategoryName>Generic Content</CategoryName>
                        <npAssets>

I got stuck on this a couple of days and I ran out of all the search results I could find. Using this method, you can clearly avoid writing a ton of code for each type of entity in our model, of which 143.

, , , . , Asset , Asset.AssetCategory( ) null , , , . , -?

+5

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