动态从数据库中绑定TreeView节点

[{"title":"（ 40 个子文件 90KB ） 动态从数据库中绑定TreeView节点","children":[{"title":"动态从数据库中绑定TreeView节点","children":[{"title":"TreeViewDemo.suo <span style='color:#111;'> 23.00KB </span>","children":null,"spread":false},{"title":"TreeViewDemo","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"DBHelper.dll <span style='color:#111;'> 20.00KB </span>","children":null,"spread":false},{"title":"TreeViewDemo.pdb <span style='color:#111;'> 31.50KB </span>","children":null,"spread":false},{"title":"Database","children":[{"title":"TreeNodeCom.mdb <span style='color:#111;'> 216.00KB </span>","children":null,"spread":false}],"spread":true},{"title":"TreeViewDemo.exe.config <span style='color:#111;'> 247B </span>","children":null,"spread":false},{"title":"TreeViewDemo.exe <span style='color:#111;'> 28.00KB </span>","children":null,"spread":false},{"title":"DBHelper.pdb <span style='color:#111;'> 21.50KB 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