XML与TreeView
1。treeview代码书写
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privatevoidForm1_Load(objectsender, EventArgs e)
{<br>//代码为TreeView添加子项
treeView1.ContextMenuStrip = contextMenuStrip1;
TreeNode tn =newTreeNode("默认");
treeView1.Nodes.Add(tn);
}
privatevoidbutton1_Click(objectsender, EventArgs e)
{<br>//代码为TreeView添加子项
stringtext = textBox1.Text;
TreeNode tn =newTreeNode(text);
TreeNode tr = treeView1.SelectedNode;
tr.Nodes.Add(tn);
}
privatevoid删除ToolStripMenuItem_Click(objectsender, EventArgs e)
{<br>//删除选中项
treeView1.SelectedNode.Remove();
}
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2.XML基本用法
1XML文件
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<?xml version="1.0"encoding="utf-8"?>
<Computers>
<Computer typr="222">
<Name>LenovoY460</Name>
<Price>5000</Price>
<CPU>酷睿i3</CPU>
</Computer>
<Computer typr="2223">
<Name>Dell</Name>
<Price>7000</Price>
<CPU>酷睿i7</CPU>
</Computer>
</Computers>
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XmlDocument doc =newXmlDocument();
doc.Load("XMLFile1.xml");
XmlNode xn = doc.DocumentElement;
foreach(XmlNode iteminxn.ChildNodes) {
//foreach (XmlNode item1 in item.ChildNodes) {
// switch (item1.Name) {
// case "Name":
// Console.WriteLine("电脑的名字是：" + item1.InnerText);
// break;
// case "Price":
// Console.WriteLine("电脑的价格是：" + item1.InnerText);
// break;
// case "CPU":
// Console.WriteLine("电脑的CPU是：" + item1.InnerText);
// break;
// }
//}
Console.WriteLine(item.Attributes["typr"].Value);
Console.WriteLine("电脑的名字是："+ item["Name"].InnerText);
Console.WriteLine("电脑的Price是："+ item["Price"].InnerText);
Console.WriteLine("电脑的CPU是："+ item["CPU"].InnerText);
}
Console.ReadKey();
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