XML中dom根据属性检索节点（C#）

[{"title":"（ 6 个子文件 8KB ） XML中dom根据属性检索节点（C#）","children":[{"title":"实验1","children":[{"title":"实验1.suo <span style='color:#111;'> 15.00KB </span>","children":null,"spread":false},{"title":"studentxml.xml <span style='color:#111;'> 8.58KB </span>","children":null,"spread":false},{"title":"Web.Config <span style='color:#111;'> 1.51KB </span>","children":null,"spread":false},{"title":"App_Data","children":null,"spread":false},{"title":"Default.aspx <span style='color:#111;'> 3.38KB </span>","children":null,"spread":false},{"title":"Default.aspx.cs <span style='color:#111;'> 6.33KB </span>","children":null,"spread":false},{"title":"实验1.sln <span style='color:#111;'> 1.46KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]