连接的实体未使用 DataContractSerializer 序列化
我正在使用 LINQ-to-SQL，并将序列化模式设置为单向。
我有两个实体类，Country 和 City，具有一对多关系。
DataContractSerializer serializer =
new DataContractSerializer(typeof(IList<Country>), new[] {
typeof(EntitySet<City>) // I have also tried with typeof(City)
});
string xml;
using (Db db = new Db()) {
IList<Country> countries = db.Countries.ToList();
// ... some manipulation of the list here, add/remove etc ...
StringBuilder sb = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(sb))
serializer.WriteObject(writer, countries);
xml = sb.ToString();
}
生成的 XML 字符串包含 Country 实体，但没有 City 实体。
我该如何解决这个问题？
I am using LINQ-to-SQL and I have the Serialization Mode set to Unidirectional.
I have two entity classes, Country and City, with a one-to-many relationship.
DataContractSerializer serializer =
new DataContractSerializer(typeof(IList<Country>), new[] {
typeof(EntitySet<City>) // I have also tried with typeof(City)
});
string xml;
using (Db db = new Db()) {
IList<Country> countries = db.Countries.ToList();
// ... some manipulation of the list here, add/remove etc ...
StringBuilder sb = new StringBuilder();
using (XmlWriter writer = XmlWriter.Create(sb))
serializer.WriteObject(writer, countries);
xml = sb.ToString();
}
The resulting XML string has Country entities but no City entities in it.
How do I resolve this?
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评论（1）
调用
ToList()似乎导致了这个问题。Calling
ToList()seemed to cause the problem.