我有以下xml数据:
<?xml version="1.0" encoding="utf-8" ?>
<root>
<object name="Object01" table="Table01" pk="Table01_Id">
<table name="Table02" pk="Table02_Id" fk="Table01_Id" include="false">
<table name="Table03" pk="Table03_Id" fk="Table02_Id" include="true">
<table name="Table04" pk="Table04_Id" fk="Table03_Id" include="true">
</table>
</table>
</table>
<table name="Table05" pk="Table05_Id" fk="Table01_Id" include="false">
<table name="Table06" pk="Table06_Id" fk="Table05_Id" include="true" />
</table>
</object>
<object name="Object02" table="Table07" pk="Table07_Id">
<table name="Table08" pk="Table08_Id" fk="Table07_Id" include="false">
<table name="Table04" pk="Table04_Id" fk="Table08_Id" include="true" />
</table>
</object>
</root>
当我在 LinqPad 中运行以下命令时:
var root = XElement.Load("D:\\Foxpert\\FlagChanges\\FlagChanges\\Modified.xml");
var table = root.Descendants("table").Where(e => e.Attribute("name").Value == "Table04")
.Select(e => new XElement(e.Parent)).First();
table.Dump();
var obj = root.Descendants("object").Where(o => o.Attribute("name").Value == "Object01")
.Select(o => new XElement(o)).First();
obj.Dump();
foreach (XElement t in obj.Descendants("table")){
t.Attribute("name").Dump();
t.Parent.Attribute("name").Dump();
}
table.Attribute("name").Dump();
var parent = obj.Descendants("table")
.Where(e => e.Attribute("name")==table.Attribute("name"))
.Select(e => new XElement(e.Parent));
parent.Dump();
父结果为空。
有人可以尝试 LinqPad 中的代码并告诉我为什么我的父母是空的吗?